Bump pydivkit and python codegen

api_generator/api_generator/generators/python/python_entities.py

@@ -16,7 +16,8 @@ from ...schema.modeling.entities import (
     Object,
     StaticString,
     String,
-    Url
+    StringEnumeration,
+    Url,
 )
 from ... import utils
 from ...schema.modeling.text import Text, EMPTY
@@ -121,20 +122,19 @@ class PythonEntity(Entity):
         instance_properties = self.instance_properties
         optional = list(map(lambda p: f'{p.escaped_name}: str = {p.static_value}', static_properties))
         for p in cast(List[PythonProperty], instance_properties):
-            if p.optional:
-                optional.append(f'{p.escaped_name}: typing.Optional[{p.property_type_py.type_name(filename)}] = None')
-            else:
-                required.append(f'{p.escaped_name}: {p.property_type_py.type_name(filename)}')
+            optional.append(f'{p.escaped_name}: typing.Optional[{p.property_type_py.final_type(filename)}] = None')
         result = Text()
         result += 'def __init__('
         result += Text(', '.join(main_required) + ',').indented(indent_width=4)
         for p in required + optional:
             result += Text(p + ',').indented(indent_width=4)
+        result += Text('**kwargs: typing.Any,').indented(indent_width=4)
         result += '):'
         super_init = Text('super().__init__(')
         for p in cast(List[PythonProperty], static_properties + instance_properties):
             escaped_name = p.escaped_name
             super_init += Text(f'{escaped_name}={escaped_name},').indented(indent_width=4)
+        super_init += Text('**kwargs,').indented(indent_width=4)
         super_init += ')'
         result += super_init.indented(indent_width=4)
         return result
@@ -157,6 +157,7 @@ class PythonEntity(Entity):
                     commentary, indent=indent, indent_first_line=False
                 )
                 field += f", description={commentary}"
+
             result += Text(f'{p.escaped_name}: str = Field({field})').indented(indent_width=4)
         dynamic_declaration = self.dynamic_properties_declaration
         if dynamic_declaration.lines:
@@ -188,12 +189,12 @@ class PythonProperty(Property):
     def constructor_required_value(self, filename: str) -> Optional[str]:
         if self.optional:
             return None
-        return f'{self.escaped_name}: {self.property_type_py.type_name(filename)}'
+        return f'{self.escaped_name}: {self.property_type_py.final_type(filename)}'
 
     def constructor_optional_value(self, filename: str) -> Optional[str]:
         if not self.optional:
             return None
-        return f'{self.escaped_name}: typing.Optional[{self.property_type_py.type_name(filename)}] = None'
+        return f'{self.escaped_name}: typing.Optional[{self.property_type_py.final_type(filename)}] = None'
 
     @property
     def static_value(self) -> str:
@@ -237,7 +238,7 @@ class PythonProperty(Property):
         else:
             prefix = ''
             suffix = ''
-        type_decl = f'{prefix}{self.property_type_py.type_name(filename)}{suffix}'
+        type_decl = f'{prefix}{self.property_type_py.final_type(filename)}{suffix}'
 
         fields_text = utils.indent(", \n".join(fields), indent=4)
         return Text(f'{self.escaped_name}: {type_decl} = Field(\n{fields_text})')
@@ -255,6 +256,24 @@ class PythonPropertyType(PropertyType):
             return self.property_type_py.referenced_top_level_type_name
         return None
 
+    def is_expr(self) -> bool:
+        if isinstance(self, (Int, Double)):
+            return True
+        if isinstance(self, (Bool, BoolInt)):
+            return True
+        if isinstance(self, (Color, String, Url)):
+            return True
+        if isinstance(self, Object):
+            if isinstance(self.object, StringEnumeration):
+                return True
+        return False
+
+    def final_type(self, filename: str) -> str:
+        typename = self.type_name(filename)
+        if self.is_expr():
+            return f"typing.Union[Expr, {typename}]"
+        return typename
+
     def type_name(self, filename: str) -> str:
         if isinstance(self, Int):
             return 'int'
@@ -269,7 +288,7 @@ class PythonPropertyType(PropertyType):
         elif isinstance(self, Dictionary):
             return 'typing.Dict[str, typing.Any]'
         elif isinstance(self, PythonArray):
-            return f'typing.List[{self.property_type_py.type_name(filename)}]'
+            return f'typing.Sequence[{self.property_type_py.final_type(filename)}]'
         elif isinstance(self, Object):
             if self.object is None:
                 raise ValueError(f'Invalid {self}')

api_generator/tests/configs/python_config.json

@@ -1,4 +1,4 @@
 {
     "lang": "python",
-    "header": "# Generated code. Do not modify.\n\nfrom __future__ import annotations\nfrom pydivkit.core import BaseDiv, Field\nimport enum\nimport typing\n"
+    "header": "# Generated code. Do not modify.\n\nfrom __future__ import annotations\nfrom pydivkit.core import BaseDiv, Field, Expr\nimport enum\nimport typing\n"
 }

api_generator/tests/references/python/entity.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 

api_generator/tests/references/python/entity_with_array.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -12,16 +12,18 @@ class EntityWithArray(BaseDiv):
 
     def __init__(
         self, *,
-        array: typing.List[entity.Entity],
         type: str = 'entity_with_array',
+        array: typing.Optional[typing.Sequence[entity.Entity]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             array=array,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_array')
-    array: typing.List[entity.Entity] = Field(
+    array: typing.Sequence[entity.Entity] = Field(
         min_items=1
     )
 

api_generator/tests/references/python/entity_with_array_of_enums.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -10,16 +10,18 @@ class EntityWithArrayOfEnums(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[EntityWithArrayOfEnumsItem],
         type: str = 'entity_with_array_of_enums',
+        items: typing.Optional[typing.Sequence[typing.Union[Expr, EntityWithArrayOfEnumsItem]]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             items=items,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_array_of_enums')
-    items: typing.List[EntityWithArrayOfEnumsItem] = Field(
+    items: typing.Sequence[typing.Union[Expr, EntityWithArrayOfEnumsItem]] = Field(
         min_items=1
     )
 

api_generator/tests/references/python/entity_with_array_of_expressions.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -10,16 +10,18 @@ class EntityWithArrayOfExpressions(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[str],
         type: str = 'entity_with_array_of_expressions',
+        items: typing.Optional[typing.Sequence[typing.Union[Expr, str]]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             items=items,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_array_of_expressions')
-    items: typing.List[str] = Field(
+    items: typing.Sequence[typing.Union[Expr, str]] = Field(
         min_items=1
     )
 

api_generator/tests/references/python/entity_with_array_of_nested_items.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -12,16 +12,18 @@ class EntityWithArrayOfNestedItems(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[EntityWithArrayOfNestedItemsItem],
         type: str = 'entity_with_array_of_nested_items',
+        items: typing.Optional[typing.Sequence[EntityWithArrayOfNestedItemsItem]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             items=items,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_array_of_nested_items')
-    items: typing.List[EntityWithArrayOfNestedItemsItem] = Field(
+    items: typing.Sequence[EntityWithArrayOfNestedItemsItem] = Field(
         min_items=1
     )
 
@@ -30,17 +32,19 @@ class EntityWithArrayOfNestedItemsItem(BaseDiv):
 
     def __init__(
         self, *,
-        entity: entity.Entity,
-        property: str,
+        entity: typing.Optional[entity.Entity] = None,
+        property: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             entity=entity,
             property=property,
+            **kwargs,
         )
 
     entity: entity.Entity = Field(
     )
-    property: str = Field(
+    property: typing.Union[Expr, str] = Field(
         min_length=1
     )
 

api_generator/tests/references/python/entity_with_array_with_transform.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -10,16 +10,18 @@ class EntityWithArrayWithTransform(BaseDiv):
 
     def __init__(
         self, *,
-        array: typing.List[str],
         type: str = 'entity_with_array_with_transform',
+        array: typing.Optional[typing.Sequence[typing.Union[Expr, str]]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             array=array,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_array_with_transform')
-    array: typing.List[str] = Field(
+    array: typing.Sequence[typing.Union[Expr, str]] = Field(
         min_items=1
     )
 

api_generator/tests/references/python/entity_with_complex_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -10,12 +10,14 @@ class EntityWithComplexProperty(BaseDiv):
 
     def __init__(
         self, *,
-        property: EntityWithComplexPropertyProperty,
         type: str = 'entity_with_complex_property',
+        property: typing.Optional[EntityWithComplexPropertyProperty] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             property=property,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_complex_property')
@@ -27,13 +29,15 @@ class EntityWithComplexPropertyProperty(BaseDiv):
 
     def __init__(
         self, *,
-        value: str,
+        value: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             value=value,
+            **kwargs,
         )
 
-    value: str = Field(
+    value: typing.Union[Expr, str] = Field(
         format="uri"
     )
 

api_generator/tests/references/python/entity_with_complex_property_with_default_value.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -12,10 +12,12 @@ class EntityWithComplexPropertyWithDefaultValue(BaseDiv):
         self, *,
         type: str = 'entity_with_complex_property_with_default_value',
         property: typing.Optional[EntityWithComplexPropertyWithDefaultValueProperty] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             property=property,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_complex_property_with_default_value')
@@ -27,13 +29,15 @@ class EntityWithComplexPropertyWithDefaultValueProperty(BaseDiv):
 
     def __init__(
         self, *,
-        value: str,
+        value: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             value=value,
+            **kwargs,
         )
 
-    value: str = Field(
+    value: typing.Union[Expr, str] = Field(
     )
 
 

api_generator/tests/references/python/entity_with_entity_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -14,10 +14,12 @@ class EntityWithEntityProperty(BaseDiv):
         self, *,
         type: str = 'entity_with_entity_property',
         entity: typing.Optional[entity.Entity] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             entity=entity,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_entity_property')

api_generator/tests/references/python/entity_with_optional_complex_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -12,10 +12,12 @@ class EntityWithOptionalComplexProperty(BaseDiv):
         self, *,
         type: str = 'entity_with_optional_complex_property',
         property: typing.Optional[EntityWithOptionalComplexPropertyProperty] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             property=property,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_optional_complex_property')
@@ -27,13 +29,15 @@ class EntityWithOptionalComplexPropertyProperty(BaseDiv):
 
     def __init__(
         self, *,
-        value: str,
+        value: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             value=value,
+            **kwargs,
         )
 
-    value: str = Field(
+    value: typing.Union[Expr, str] = Field(
         format="uri"
     )
 

api_generator/tests/references/python/entity_with_optional_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -11,15 +11,17 @@ class EntityWithOptionalProperty(BaseDiv):
     def __init__(
         self, *,
         type: str = 'entity_with_optional_property',
-        property: typing.Optional[str] = None,
+        property: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             property=property,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_optional_property')
-    property: typing.Optional[str] = Field(
+    property: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1
     )
 

api_generator/tests/references/python/entity_with_optional_string_enum_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -11,15 +11,17 @@ class EntityWithOptionalStringEnumProperty(BaseDiv):
     def __init__(
         self, *,
         type: str = 'entity_with_optional_string_enum_property',
-        property: typing.Optional[EntityWithOptionalStringEnumPropertyProperty] = None,
+        property: typing.Optional[typing.Union[Expr, EntityWithOptionalStringEnumPropertyProperty]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             property=property,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_optional_string_enum_property')
-    property: typing.Optional[EntityWithOptionalStringEnumPropertyProperty] = Field(
+    property: typing.Optional[typing.Union[Expr, EntityWithOptionalStringEnumPropertyProperty]] = Field(
     )
 
 

api_generator/tests/references/python/entity_with_property_with_default_value.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -11,19 +11,21 @@ class EntityWithPropertyWithDefaultValue(BaseDiv):
     def __init__(
         self, *,
         type: str = 'entity_with_property_with_default_value',
-        int: typing.Optional[int] = None,
+        int: typing.Optional[typing.Union[Expr, int]] = None,
         nested: typing.Optional[EntityWithPropertyWithDefaultValueNested] = None,
-        url: typing.Optional[str] = None,
+        url: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             int=int,
             nested=nested,
             url=url,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_property_with_default_value')
-    int: typing.Optional[int] = Field(
+    int: typing.Optional[typing.Union[Expr, int]] = Field(
     )
     nested: typing.Optional[EntityWithPropertyWithDefaultValueNested] = Field(
         description=(
@@ -31,7 +33,7 @@ class EntityWithPropertyWithDefaultValue(BaseDiv):
             "value for object withall-optional fields."
         )
     )
-    url: typing.Optional[str] = Field(
+    url: typing.Optional[typing.Union[Expr, str]] = Field(
         format="uri"
     )
 
@@ -42,21 +44,23 @@ class EntityWithPropertyWithDefaultValueNested(BaseDiv):
 
     def __init__(
         self, *,
-        non_optional: str,
-        int: typing.Optional[int] = None,
-        url: typing.Optional[str] = None,
+        int: typing.Optional[typing.Union[Expr, int]] = None,
+        non_optional: typing.Optional[typing.Union[Expr, str]] = None,
+        url: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             int=int,
             non_optional=non_optional,
             url=url,
+            **kwargs,
         )
 
-    int: typing.Optional[int] = Field(
+    int: typing.Optional[typing.Union[Expr, int]] = Field(
     )
-    non_optional: str = Field(
+    non_optional: typing.Union[Expr, str] = Field(
     )
-    url: typing.Optional[str] = Field(
+    url: typing.Optional[typing.Union[Expr, str]] = Field(
         format="uri"
     )
 

api_generator/tests/references/python/entity_with_required_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -10,16 +10,18 @@ class EntityWithRequiredProperty(BaseDiv):
 
     def __init__(
         self, *,
-        property: str,
         type: str = 'entity_with_required_property',
+        property: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             property=property,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_required_property')
-    property: str = Field(
+    property: typing.Union[Expr, str] = Field(
         min_length=1
     )
 

api_generator/tests/references/python/entity_with_simple_properties.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -12,15 +12,16 @@ class EntityWithSimpleProperties(BaseDiv):
     def __init__(
         self, *,
         type: str = 'entity_with_simple_properties',
-        boolean: typing.Optional[bool] = None,
-        boolean_int: typing.Optional[bool] = None,
-        color: typing.Optional[str] = None,
-        double: typing.Optional[float] = None,
-        id: typing.Optional[int] = None,
-        integer: typing.Optional[int] = None,
-        positive_integer: typing.Optional[int] = None,
-        string: typing.Optional[str] = None,
-        url: typing.Optional[str] = None,
+        boolean: typing.Optional[typing.Union[Expr, bool]] = None,
+        boolean_int: typing.Optional[typing.Union[Expr, bool]] = None,
+        color: typing.Optional[typing.Union[Expr, str]] = None,
+        double: typing.Optional[typing.Union[Expr, float]] = None,
+        id: typing.Optional[typing.Union[Expr, int]] = None,
+        integer: typing.Optional[typing.Union[Expr, int]] = None,
+        positive_integer: typing.Optional[typing.Union[Expr, int]] = None,
+        string: typing.Optional[typing.Union[Expr, str]] = None,
+        url: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -33,36 +34,37 @@ class EntityWithSimpleProperties(BaseDiv):
             positive_integer=positive_integer,
             string=string,
             url=url,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_simple_properties')
-    boolean: typing.Optional[bool] = Field(
+    boolean: typing.Optional[typing.Union[Expr, bool]] = Field(
         description="Boolean property."
     )
-    boolean_int: typing.Optional[bool] = Field(
+    boolean_int: typing.Optional[typing.Union[Expr, bool]] = Field(
         description="Boolean value in numeric format. @deprecated"
     )
-    color: typing.Optional[str] = Field(
+    color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
         description="Color."
     )
-    double: typing.Optional[float] = Field(
+    double: typing.Optional[typing.Union[Expr, float]] = Field(
         description="Floating point number."
     )
-    id: typing.Optional[int] = Field(
+    id: typing.Optional[typing.Union[Expr, int]] = Field(
         description="ID. Can\'t contain expressions."
     )
-    integer: typing.Optional[int] = Field(
+    integer: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Integer."
     )
-    positive_integer: typing.Optional[int] = Field(
+    positive_integer: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Positive integer."
     )
-    string: typing.Optional[str] = Field(
+    string: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description="String."
     )
-    url: typing.Optional[str] = Field(
+    url: typing.Optional[typing.Union[Expr, str]] = Field(
         format="uri"
     )
 

api_generator/tests/references/python/entity_with_strict_array.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -12,16 +12,18 @@ class EntityWithStrictArray(BaseDiv):
 
     def __init__(
         self, *,
-        array: typing.List[entity.Entity],
         type: str = 'entity_with_strict_array',
+        array: typing.Optional[typing.Sequence[entity.Entity]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             array=array,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_strict_array')
-    array: typing.List[entity.Entity] = Field(
+    array: typing.Sequence[entity.Entity] = Field(
         min_items=1
     )
 

api_generator/tests/references/python/entity_with_string_array_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -10,16 +10,18 @@ class EntityWithStringArrayProperty(BaseDiv):
 
     def __init__(
         self, *,
-        array: typing.List[str],
         type: str = 'entity_with_string_array_property',
+        array: typing.Optional[typing.Sequence[typing.Union[Expr, str]]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             array=array,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_string_array_property')
-    array: typing.List[str] = Field(
+    array: typing.Sequence[typing.Union[Expr, str]] = Field(
         min_items=1
     )
 

api_generator/tests/references/python/entity_with_string_enum_property.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -10,16 +10,18 @@ class EntityWithStringEnumProperty(BaseDiv):
 
     def __init__(
         self, *,
-        property: EntityWithStringEnumPropertyProperty,
         type: str = 'entity_with_string_enum_property',
+        property: typing.Optional[typing.Union[Expr, EntityWithStringEnumPropertyProperty]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             property=property,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_string_enum_property')
-    property: EntityWithStringEnumPropertyProperty = Field(
+    property: typing.Union[Expr, EntityWithStringEnumPropertyProperty] = Field(
     )
 
 

api_generator/tests/references/python/entity_with_string_enum_property_with_default_value.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -11,15 +11,17 @@ class EntityWithStringEnumPropertyWithDefaultValue(BaseDiv):
     def __init__(
         self, *,
         type: str = 'entity_with_string_enum_property_with_default_value',
-        value: typing.Optional[EntityWithStringEnumPropertyWithDefaultValueValue] = None,
+        value: typing.Optional[typing.Union[Expr, EntityWithStringEnumPropertyWithDefaultValueValue]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             value=value,
+            **kwargs,
         )
 
     type: str = Field(default='entity_with_string_enum_property_with_default_value')
-    value: typing.Optional[EntityWithStringEnumPropertyWithDefaultValueValue] = Field(
+    value: typing.Optional[typing.Union[Expr, EntityWithStringEnumPropertyWithDefaultValueValue]] = Field(
     )
 
 

api_generator/tests/references/python/entity_without_properties.py

@@ -1,7 +1,7 @@
 # Generated code. Do not modify.
 
 from __future__ import annotations
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Field, Expr
 import enum
 import typing
 
@@ -11,9 +11,11 @@ class EntityWithoutProperties(BaseDiv):
     def __init__(
         self, *,
         type: str = 'entity_without_properties',
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
+            **kwargs,
         )
 
     type: str = Field(default='entity_without_properties')

api_generator/tests/references/reference_clean_unused_definitions.json

@@ -309,50 +309,6 @@
         ]
       }
     },
-    {
-      "translations.json": {
-        "entity_with_property_with_default_value_nested": {
-          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
-          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
-        },
-        "entity_with_simple_properties": {
-          "en": "Entity with simple properties.",
-          "ru": "Объект с простыми свойствами."
-        },
-        "entity_with_simple_properties_id": {
-          "en": "ID. Can't contain expressions.",
-          "ru": "Идентификатор. Не может содержать выражение."
-        },
-        "entity_with_simple_properties_string": {
-          "en": "String.",
-          "ru": "Строка."
-        },
-        "entity_with_simple_properties_integer": {
-          "en": "Integer.",
-          "ru": "Целое число."
-        },
-        "entity_with_simple_properties_double": {
-          "en": "Floating point number.",
-          "ru": "Число с плавающей точкой."
-        },
-        "entity_with_simple_properties_boolean": {
-          "en": "Boolean property.",
-          "ru": "Логическое значение."
-        },
-        "entity_with_simple_properties_boolean_int": {
-          "en": "Boolean value in numeric format.",
-          "ru": "Логическое значение в числовом формате."
-        },
-        "entity_with_simple_properties_positive_integer": {
-          "en": "Positive integer.",
-          "ru": "Положительное целое число."
-        },
-        "entity_with_simple_properties_color": {
-          "en": "Color.",
-          "ru": "Цвет."
-        }
-      }
-    },
     {
       "entity.json": {
         "anyOf": [
@@ -474,85 +430,47 @@
       }
     },
     {
-      "entity_with_property_with_default_value.json": {
-        "type": "object",
-        "definitions": {},
-        "properties": {
-          "type": {
-            "type": "string",
-            "enum": [
-              "entity_with_property_with_default_value"
-            ]
-          },
-          "int": {
-            "alias_dart": "iNum",
-            "$resolved_refs": [
-              "#/definitions/int_prop",
-              "common.json#/non_negative_integer"
-            ],
-            "default_value": "0",
-            "type": "integer",
-            "constraint": "number >= 0"
-          },
-          "url": {
-            "$resolved_refs": [
-              "#/definitions/url_prop",
-              "common.json#/url"
-            ],
-            "schemes": [
-              "https"
-            ],
-            "default_value": "https://yandex.ru",
-            "type": "string",
-            "format": "uri"
-          },
-          "nested": {
-            "$resolved_refs": [
-              "#/definitions/nested"
-            ],
-            "type": "object",
-            "properties": {
-              "int": {
-                "alias_dart": "iNum",
-                "$resolved_refs": [
-                  "#/definitions/int_prop",
-                  "common.json#/non_negative_integer"
-                ],
-                "default_value": "0",
-                "type": "integer",
-                "constraint": "number >= 0",
-                "$typename": "int_prop"
-              },
-              "url": {
-                "$resolved_refs": [
-                  "#/definitions/url_prop",
-                  "common.json#/url"
-                ],
-                "schemes": [
-                  "https"
-                ],
-                "default_value": "https://yandex.ru",
-                "type": "string",
-                "format": "uri",
-                "$typename": "url_prop"
-              },
-              "non_optional": {
-                "type": "string"
-              }
-            },
-            "required": [
-              "non_optional"
-            ],
-            "$typename": "nested",
-            "description_translations": {
-              "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
-              "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
-            }
-          }
+      "translations.json": {
+        "entity_with_property_with_default_value_nested": {
+          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
+          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
         },
-        "required": [
-          "type"
-        ]
+        "entity_with_simple_properties": {
+          "en": "Entity with simple properties.",
+          "ru": "Объект с простыми свойствами."
+        },
+        "entity_with_simple_properties_id": {
+          "en": "ID. Can't contain expressions.",
+          "ru": "Идентификатор. Не может содержать выражение."
+        },
+        "entity_with_simple_properties_string": {
+          "en": "String.",
+          "ru": "Строка."
+        },
+        "entity_with_simple_properties_integer": {
+          "en": "Integer.",
+          "ru": "Целое число."
+        },
+        "entity_with_simple_properties_double": {
+          "en": "Floating point number.",
+          "ru": "Число с плавающей точкой."
+        },
+        "entity_with_simple_properties_boolean": {
+          "en": "Boolean property.",
+          "ru": "Логическое значение."
+        },
+        "entity_with_simple_properties_boolean_int": {
+          "en": "Boolean value in numeric format.",
+          "ru": "Логическое значение в числовом формате."
+        },
+        "entity_with_simple_properties_positive_integer": {
+          "en": "Positive integer.",
+          "ru": "Положительное целое число."
+        },
+        "entity_with_simple_properties_color": {
+          "en": "Color.",
+          "ru": "Цвет."
+        }
       }
     },
     {
@@ -717,54 +635,84 @@
       }
     },
     {
-      "entity_with_strict_array.json": {
+      "entity_with_property_with_default_value.json": {
         "type": "object",
+        "definitions": {},
         "properties": {
           "type": {
             "type": "string",
             "enum": [
-              "entity_with_strict_array"
+              "entity_with_property_with_default_value"
             ]
           },
-          "array": {
-            "type": "array",
-            "items": {
-              "$resolved_refs": [
-                "entity.json"
-              ],
-              "type": "$defined_entity"
-            },
-            "minItems": 1,
-            "strictParsing": true
-          }
-        },
-        "required": [
-          "type",
-          "array"
-        ]
-      }
-    },
-    {
-      "entity_with_string_array_property.json": {
-        "type": "object",
-        "properties": {
-          "type": {
+          "int": {
+            "alias_dart": "iNum",
+            "$resolved_refs": [
+              "#/definitions/int_prop",
+              "common.json#/non_negative_integer"
+            ],
+            "default_value": "0",
+            "type": "integer",
+            "constraint": "number >= 0"
+          },
+          "url": {
+            "$resolved_refs": [
+              "#/definitions/url_prop",
+              "common.json#/url"
+            ],
+            "schemes": [
+              "https"
+            ],
+            "default_value": "https://yandex.ru",
             "type": "string",
-            "enum": [
-              "entity_with_string_array_property"
-            ]
+            "format": "uri"
           },
-          "array": {
-            "type": "array",
-            "items": {
-              "type": "string"
+          "nested": {
+            "$resolved_refs": [
+              "#/definitions/nested"
+            ],
+            "type": "object",
+            "properties": {
+              "int": {
+                "alias_dart": "iNum",
+                "$resolved_refs": [
+                  "#/definitions/int_prop",
+                  "common.json#/non_negative_integer"
+                ],
+                "default_value": "0",
+                "type": "integer",
+                "constraint": "number >= 0",
+                "$typename": "int_prop"
+              },
+              "url": {
+                "$resolved_refs": [
+                  "#/definitions/url_prop",
+                  "common.json#/url"
+                ],
+                "schemes": [
+                  "https"
+                ],
+                "default_value": "https://yandex.ru",
+                "type": "string",
+                "format": "uri",
+                "$typename": "url_prop"
+              },
+              "non_optional": {
+                "type": "string"
+              }
             },
-            "minItems": 1
+            "required": [
+              "non_optional"
+            ],
+            "$typename": "nested",
+            "description_translations": {
+              "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
+              "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
+            }
           }
         },
         "required": [
-          "type",
-          "array"
+          "type"
         ]
       }
     },
@@ -885,6 +833,58 @@
           "ru": "Объект с простыми свойствами."
         }
       }
+    },
+    {
+      "entity_with_strict_array.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_strict_array"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "$resolved_refs": [
+                "entity.json"
+              ],
+              "type": "$defined_entity"
+            },
+            "minItems": 1,
+            "strictParsing": true
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
+    },
+    {
+      "entity_with_string_array_property.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_string_array_property"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            },
+            "minItems": 1
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
     }
   ]
 }

api_generator/tests/references/reference_merge_allOfs.json

@@ -288,50 +288,6 @@
         ]
       }
     },
-    {
-      "translations.json": {
-        "entity_with_property_with_default_value_nested": {
-          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
-          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
-        },
-        "entity_with_simple_properties": {
-          "en": "Entity with simple properties.",
-          "ru": "Объект с простыми свойствами."
-        },
-        "entity_with_simple_properties_id": {
-          "en": "ID. Can't contain expressions.",
-          "ru": "Идентификатор. Не может содержать выражение."
-        },
-        "entity_with_simple_properties_string": {
-          "en": "String.",
-          "ru": "Строка."
-        },
-        "entity_with_simple_properties_integer": {
-          "en": "Integer.",
-          "ru": "Целое число."
-        },
-        "entity_with_simple_properties_double": {
-          "en": "Floating point number.",
-          "ru": "Число с плавающей точкой."
-        },
-        "entity_with_simple_properties_boolean": {
-          "en": "Boolean property.",
-          "ru": "Логическое значение."
-        },
-        "entity_with_simple_properties_boolean_int": {
-          "en": "Boolean value in numeric format.",
-          "ru": "Логическое значение в числовом формате."
-        },
-        "entity_with_simple_properties_positive_integer": {
-          "en": "Positive integer.",
-          "ru": "Положительное целое число."
-        },
-        "entity_with_simple_properties_color": {
-          "en": "Color.",
-          "ru": "Цвет."
-        }
-      }
-    },
     {
       "entity.json": {
         "anyOf": [
@@ -396,61 +352,47 @@
       }
     },
     {
-      "entity_with_property_with_default_value.json": {
-        "type": "object",
-        "definitions": {
-          "int_prop": {
-            "$ref": "common.json#/non_negative_integer",
-            "default_value": "0"
-          },
-          "url_prop": {
-            "$ref": "common.json#/url",
-            "schemes": [
-              "https"
-            ],
-            "default_value": "https://yandex.ru"
-          },
-          "nested": {
-            "type": "object",
-            "properties": {
-              "int": {
-                "alias_dart": "iNum",
-                "$ref": "#/definitions/int_prop"
-              },
-              "url": {
-                "$ref": "#/definitions/url_prop"
-              },
-              "non_optional": {
-                "type": "string"
-              }
-            },
-            "$description": "translations.json#/entity_with_property_with_default_value_nested",
-            "required": [
-              "non_optional"
-            ]
-          }
+      "translations.json": {
+        "entity_with_property_with_default_value_nested": {
+          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
+          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
         },
-        "properties": {
-          "type": {
-            "type": "string",
-            "enum": [
-              "entity_with_property_with_default_value"
-            ]
-          },
-          "int": {
-            "alias_dart": "iNum",
-            "$ref": "#/definitions/int_prop"
-          },
-          "url": {
-            "$ref": "#/definitions/url_prop"
-          },
-          "nested": {
-            "$ref": "#/definitions/nested"
-          }
+        "entity_with_simple_properties": {
+          "en": "Entity with simple properties.",
+          "ru": "Объект с простыми свойствами."
         },
-        "required": [
-          "type"
-        ]
+        "entity_with_simple_properties_id": {
+          "en": "ID. Can't contain expressions.",
+          "ru": "Идентификатор. Не может содержать выражение."
+        },
+        "entity_with_simple_properties_string": {
+          "en": "String.",
+          "ru": "Строка."
+        },
+        "entity_with_simple_properties_integer": {
+          "en": "Integer.",
+          "ru": "Целое число."
+        },
+        "entity_with_simple_properties_double": {
+          "en": "Floating point number.",
+          "ru": "Число с плавающей точкой."
+        },
+        "entity_with_simple_properties_boolean": {
+          "en": "Boolean property.",
+          "ru": "Логическое значение."
+        },
+        "entity_with_simple_properties_boolean_int": {
+          "en": "Boolean value in numeric format.",
+          "ru": "Логическое значение в числовом формате."
+        },
+        "entity_with_simple_properties_positive_integer": {
+          "en": "Positive integer.",
+          "ru": "Положительное целое число."
+        },
+        "entity_with_simple_properties_color": {
+          "en": "Color.",
+          "ru": "Цвет."
+        }
       }
     },
     {
@@ -595,51 +537,60 @@
       }
     },
     {
-      "entity_with_strict_array.json": {
+      "entity_with_property_with_default_value.json": {
         "type": "object",
+        "definitions": {
+          "int_prop": {
+            "$ref": "common.json#/non_negative_integer",
+            "default_value": "0"
+          },
+          "url_prop": {
+            "$ref": "common.json#/url",
+            "schemes": [
+              "https"
+            ],
+            "default_value": "https://yandex.ru"
+          },
+          "nested": {
+            "type": "object",
+            "properties": {
+              "int": {
+                "alias_dart": "iNum",
+                "$ref": "#/definitions/int_prop"
+              },
+              "url": {
+                "$ref": "#/definitions/url_prop"
+              },
+              "non_optional": {
+                "type": "string"
+              }
+            },
+            "$description": "translations.json#/entity_with_property_with_default_value_nested",
+            "required": [
+              "non_optional"
+            ]
+          }
+        },
         "properties": {
           "type": {
             "type": "string",
             "enum": [
-              "entity_with_strict_array"
+              "entity_with_property_with_default_value"
             ]
           },
-          "array": {
-            "type": "array",
-            "items": {
-              "$ref": "entity.json"
-            },
-            "minItems": 1,
-            "strictParsing": true
+          "int": {
+            "alias_dart": "iNum",
+            "$ref": "#/definitions/int_prop"
+          },
+          "url": {
+            "$ref": "#/definitions/url_prop"
+          },
+          "nested": {
+            "$ref": "#/definitions/nested"
           }
         },
         "required": [
-          "type",
-          "array"
-        ]
-      }
-    },
-    {
-      "entity_with_string_array_property.json": {
-        "type": "object",
-        "properties": {
-          "type": {
-            "type": "string",
-            "enum": [
-              "entity_with_string_array_property"
-            ]
-          },
-          "array": {
-            "type": "array",
-            "items": {
-              "type": "string"
-            },
-            "minItems": 1
-          }
-        },
-        "required": [
-          "type",
-          "array"
+          "type"
         ]
       }
     },
@@ -708,6 +659,55 @@
           "type"
         ]
       }
+    },
+    {
+      "entity_with_strict_array.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_strict_array"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "$ref": "entity.json"
+            },
+            "minItems": 1,
+            "strictParsing": true
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
+    },
+    {
+      "entity_with_string_array_property.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_string_array_property"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            },
+            "minItems": 1
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
     }
   ]
 }

api_generator/tests/references/reference_resolve_references.json

@@ -369,50 +369,6 @@
         ]
       }
     },
-    {
-      "translations.json": {
-        "entity_with_property_with_default_value_nested": {
-          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
-          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
-        },
-        "entity_with_simple_properties": {
-          "en": "Entity with simple properties.",
-          "ru": "Объект с простыми свойствами."
-        },
-        "entity_with_simple_properties_id": {
-          "en": "ID. Can't contain expressions.",
-          "ru": "Идентификатор. Не может содержать выражение."
-        },
-        "entity_with_simple_properties_string": {
-          "en": "String.",
-          "ru": "Строка."
-        },
-        "entity_with_simple_properties_integer": {
-          "en": "Integer.",
-          "ru": "Целое число."
-        },
-        "entity_with_simple_properties_double": {
-          "en": "Floating point number.",
-          "ru": "Число с плавающей точкой."
-        },
-        "entity_with_simple_properties_boolean": {
-          "en": "Boolean property.",
-          "ru": "Логическое значение."
-        },
-        "entity_with_simple_properties_boolean_int": {
-          "en": "Boolean value in numeric format.",
-          "ru": "Логическое значение в числовом формате."
-        },
-        "entity_with_simple_properties_positive_integer": {
-          "en": "Positive integer.",
-          "ru": "Положительное целое число."
-        },
-        "entity_with_simple_properties_color": {
-          "en": "Color.",
-          "ru": "Цвет."
-        }
-      }
-    },
     {
       "entity.json": {
         "anyOf": [
@@ -534,142 +490,47 @@
       }
     },
     {
-      "entity_with_property_with_default_value.json": {
-        "type": "object",
-        "definitions": {
-          "int_prop": {
-            "default_value": "0",
-            "$resolved_refs": [
-              "common.json#/non_negative_integer"
-            ],
-            "type": "integer",
-            "constraint": "number >= 0"
-          },
-          "url_prop": {
-            "schemes": [
-              "https"
-            ],
-            "default_value": "https://yandex.ru",
-            "$resolved_refs": [
-              "common.json#/url"
-            ],
-            "type": "string",
-            "format": "uri"
-          },
-          "nested": {
-            "type": "object",
-            "properties": {
-              "int": {
-                "alias_dart": "iNum",
-                "$resolved_refs": [
-                  "#/definitions/int_prop",
-                  "common.json#/non_negative_integer"
-                ],
-                "default_value": "0",
-                "type": "integer",
-                "constraint": "number >= 0"
-              },
-              "url": {
-                "$resolved_refs": [
-                  "#/definitions/url_prop",
-                  "common.json#/url"
-                ],
-                "schemes": [
-                  "https"
-                ],
-                "default_value": "https://yandex.ru",
-                "type": "string",
-                "format": "uri"
-              },
-              "non_optional": {
-                "type": "string"
-              }
-            },
-            "required": [
-              "non_optional"
-            ],
-            "description_translations": {
-              "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
-              "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
-            }
-          }
+      "translations.json": {
+        "entity_with_property_with_default_value_nested": {
+          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
+          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
         },
-        "properties": {
-          "type": {
-            "type": "string",
-            "enum": [
-              "entity_with_property_with_default_value"
-            ]
-          },
-          "int": {
-            "alias_dart": "iNum",
-            "$resolved_refs": [
-              "#/definitions/int_prop",
-              "common.json#/non_negative_integer"
-            ],
-            "default_value": "0",
-            "type": "integer",
-            "constraint": "number >= 0"
-          },
-          "url": {
-            "$resolved_refs": [
-              "#/definitions/url_prop",
-              "common.json#/url"
-            ],
-            "schemes": [
-              "https"
-            ],
-            "default_value": "https://yandex.ru",
-            "type": "string",
-            "format": "uri"
-          },
-          "nested": {
-            "$resolved_refs": [
-              "#/definitions/nested"
-            ],
-            "type": "object",
-            "properties": {
-              "int": {
-                "alias_dart": "iNum",
-                "$resolved_refs": [
-                  "#/definitions/int_prop",
-                  "common.json#/non_negative_integer"
-                ],
-                "default_value": "0",
-                "type": "integer",
-                "constraint": "number >= 0",
-                "$typename": "int_prop"
-              },
-              "url": {
-                "$resolved_refs": [
-                  "#/definitions/url_prop",
-                  "common.json#/url"
-                ],
-                "schemes": [
-                  "https"
-                ],
-                "default_value": "https://yandex.ru",
-                "type": "string",
-                "format": "uri",
-                "$typename": "url_prop"
-              },
-              "non_optional": {
-                "type": "string"
-              }
-            },
-            "required": [
-              "non_optional"
-            ],
-            "$typename": "nested",
-            "description_translations": {
-              "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
-              "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
-            }
-          }
+        "entity_with_simple_properties": {
+          "en": "Entity with simple properties.",
+          "ru": "Объект с простыми свойствами."
         },
-        "required": [
-          "type"
-        ]
+        "entity_with_simple_properties_id": {
+          "en": "ID. Can't contain expressions.",
+          "ru": "Идентификатор. Не может содержать выражение."
+        },
+        "entity_with_simple_properties_string": {
+          "en": "String.",
+          "ru": "Строка."
+        },
+        "entity_with_simple_properties_integer": {
+          "en": "Integer.",
+          "ru": "Целое число."
+        },
+        "entity_with_simple_properties_double": {
+          "en": "Floating point number.",
+          "ru": "Число с плавающей точкой."
+        },
+        "entity_with_simple_properties_boolean": {
+          "en": "Boolean property.",
+          "ru": "Логическое значение."
+        },
+        "entity_with_simple_properties_boolean_int": {
+          "en": "Boolean value in numeric format.",
+          "ru": "Логическое значение в числовом формате."
+        },
+        "entity_with_simple_properties_positive_integer": {
+          "en": "Positive integer.",
+          "ru": "Положительное целое число."
+        },
+        "entity_with_simple_properties_color": {
+          "en": "Color.",
+          "ru": "Цвет."
+        }
       }
     },
     {
@@ -858,54 +719,141 @@
       }
     },
     {
-      "entity_with_strict_array.json": {
+      "entity_with_property_with_default_value.json": {
         "type": "object",
+        "definitions": {
+          "int_prop": {
+            "default_value": "0",
+            "$resolved_refs": [
+              "common.json#/non_negative_integer"
+            ],
+            "type": "integer",
+            "constraint": "number >= 0"
+          },
+          "url_prop": {
+            "schemes": [
+              "https"
+            ],
+            "default_value": "https://yandex.ru",
+            "$resolved_refs": [
+              "common.json#/url"
+            ],
+            "type": "string",
+            "format": "uri"
+          },
+          "nested": {
+            "type": "object",
+            "properties": {
+              "int": {
+                "alias_dart": "iNum",
+                "$resolved_refs": [
+                  "#/definitions/int_prop",
+                  "common.json#/non_negative_integer"
+                ],
+                "default_value": "0",
+                "type": "integer",
+                "constraint": "number >= 0"
+              },
+              "url": {
+                "$resolved_refs": [
+                  "#/definitions/url_prop",
+                  "common.json#/url"
+                ],
+                "schemes": [
+                  "https"
+                ],
+                "default_value": "https://yandex.ru",
+                "type": "string",
+                "format": "uri"
+              },
+              "non_optional": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "non_optional"
+            ],
+            "description_translations": {
+              "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
+              "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
+            }
+          }
+        },
         "properties": {
           "type": {
             "type": "string",
             "enum": [
-              "entity_with_strict_array"
+              "entity_with_property_with_default_value"
             ]
           },
-          "array": {
-            "type": "array",
-            "items": {
-              "$resolved_refs": [
-                "entity.json"
-              ],
-              "type": "$defined_entity"
-            },
-            "minItems": 1,
-            "strictParsing": true
-          }
-        },
-        "required": [
-          "type",
-          "array"
-        ]
-      }
-    },
-    {
-      "entity_with_string_array_property.json": {
-        "type": "object",
-        "properties": {
-          "type": {
+          "int": {
+            "alias_dart": "iNum",
+            "$resolved_refs": [
+              "#/definitions/int_prop",
+              "common.json#/non_negative_integer"
+            ],
+            "default_value": "0",
+            "type": "integer",
+            "constraint": "number >= 0"
+          },
+          "url": {
+            "$resolved_refs": [
+              "#/definitions/url_prop",
+              "common.json#/url"
+            ],
+            "schemes": [
+              "https"
+            ],
+            "default_value": "https://yandex.ru",
             "type": "string",
-            "enum": [
-              "entity_with_string_array_property"
-            ]
+            "format": "uri"
           },
-          "array": {
-            "type": "array",
-            "items": {
-              "type": "string"
+          "nested": {
+            "$resolved_refs": [
+              "#/definitions/nested"
+            ],
+            "type": "object",
+            "properties": {
+              "int": {
+                "alias_dart": "iNum",
+                "$resolved_refs": [
+                  "#/definitions/int_prop",
+                  "common.json#/non_negative_integer"
+                ],
+                "default_value": "0",
+                "type": "integer",
+                "constraint": "number >= 0",
+                "$typename": "int_prop"
+              },
+              "url": {
+                "$resolved_refs": [
+                  "#/definitions/url_prop",
+                  "common.json#/url"
+                ],
+                "schemes": [
+                  "https"
+                ],
+                "default_value": "https://yandex.ru",
+                "type": "string",
+                "format": "uri",
+                "$typename": "url_prop"
+              },
+              "non_optional": {
+                "type": "string"
+              }
             },
-            "minItems": 1
+            "required": [
+              "non_optional"
+            ],
+            "$typename": "nested",
+            "description_translations": {
+              "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
+              "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
+            }
           }
         },
         "required": [
-          "type",
-          "array"
+          "type"
         ]
       }
     },
@@ -1026,6 +974,58 @@
           "ru": "Объект с простыми свойствами."
         }
       }
+    },
+    {
+      "entity_with_strict_array.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_strict_array"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "$resolved_refs": [
+                "entity.json"
+              ],
+              "type": "$defined_entity"
+            },
+            "minItems": 1,
+            "strictParsing": true
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
+    },
+    {
+      "entity_with_string_array_property.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_string_array_property"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            },
+            "minItems": 1
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
     }
   ]
 }

api_generator/tests/references/reference_resolve_structure.json

@@ -288,50 +288,6 @@
         ]
       }
     },
-    {
-      "translations.json": {
-        "entity_with_property_with_default_value_nested": {
-          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
-          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
-        },
-        "entity_with_simple_properties": {
-          "en": "Entity with simple properties.",
-          "ru": "Объект с простыми свойствами."
-        },
-        "entity_with_simple_properties_id": {
-          "en": "ID. Can't contain expressions.",
-          "ru": "Идентификатор. Не может содержать выражение."
-        },
-        "entity_with_simple_properties_string": {
-          "en": "String.",
-          "ru": "Строка."
-        },
-        "entity_with_simple_properties_integer": {
-          "en": "Integer.",
-          "ru": "Целое число."
-        },
-        "entity_with_simple_properties_double": {
-          "en": "Floating point number.",
-          "ru": "Число с плавающей точкой."
-        },
-        "entity_with_simple_properties_boolean": {
-          "en": "Boolean property.",
-          "ru": "Логическое значение."
-        },
-        "entity_with_simple_properties_boolean_int": {
-          "en": "Boolean value in numeric format.",
-          "ru": "Логическое значение в числовом формате."
-        },
-        "entity_with_simple_properties_positive_integer": {
-          "en": "Positive integer.",
-          "ru": "Положительное целое число."
-        },
-        "entity_with_simple_properties_color": {
-          "en": "Color.",
-          "ru": "Цвет."
-        }
-      }
-    },
     {
       "entity.json": {
         "anyOf": [
@@ -396,61 +352,47 @@
       }
     },
     {
-      "entity_with_property_with_default_value.json": {
-        "type": "object",
-        "definitions": {
-          "int_prop": {
-            "$ref": "common.json#/non_negative_integer",
-            "default_value": "0"
-          },
-          "url_prop": {
-            "$ref": "common.json#/url",
-            "schemes": [
-              "https"
-            ],
-            "default_value": "https://yandex.ru"
-          },
-          "nested": {
-            "type": "object",
-            "properties": {
-              "int": {
-                "alias_dart": "iNum",
-                "$ref": "#/definitions/int_prop"
-              },
-              "url": {
-                "$ref": "#/definitions/url_prop"
-              },
-              "non_optional": {
-                "type": "string"
-              }
-            },
-            "$description": "translations.json#/entity_with_property_with_default_value_nested",
-            "required": [
-              "non_optional"
-            ]
-          }
+      "translations.json": {
+        "entity_with_property_with_default_value_nested": {
+          "en": "non_optional is used to suppress auto-generation of default value for object with all-optional fields.",
+          "ru": "non_optional используется, чтобы запретить автогенерацию дефолтного значения для объекта, все свойства которого опциональны."
         },
-        "properties": {
-          "type": {
-            "type": "string",
-            "enum": [
-              "entity_with_property_with_default_value"
-            ]
-          },
-          "int": {
-            "alias_dart": "iNum",
-            "$ref": "#/definitions/int_prop"
-          },
-          "url": {
-            "$ref": "#/definitions/url_prop"
-          },
-          "nested": {
-            "$ref": "#/definitions/nested"
-          }
+        "entity_with_simple_properties": {
+          "en": "Entity with simple properties.",
+          "ru": "Объект с простыми свойствами."
         },
-        "required": [
-          "type"
-        ]
+        "entity_with_simple_properties_id": {
+          "en": "ID. Can't contain expressions.",
+          "ru": "Идентификатор. Не может содержать выражение."
+        },
+        "entity_with_simple_properties_string": {
+          "en": "String.",
+          "ru": "Строка."
+        },
+        "entity_with_simple_properties_integer": {
+          "en": "Integer.",
+          "ru": "Целое число."
+        },
+        "entity_with_simple_properties_double": {
+          "en": "Floating point number.",
+          "ru": "Число с плавающей точкой."
+        },
+        "entity_with_simple_properties_boolean": {
+          "en": "Boolean property.",
+          "ru": "Логическое значение."
+        },
+        "entity_with_simple_properties_boolean_int": {
+          "en": "Boolean value in numeric format.",
+          "ru": "Логическое значение в числовом формате."
+        },
+        "entity_with_simple_properties_positive_integer": {
+          "en": "Positive integer.",
+          "ru": "Положительное целое число."
+        },
+        "entity_with_simple_properties_color": {
+          "en": "Color.",
+          "ru": "Цвет."
+        }
       }
     },
     {
@@ -595,51 +537,60 @@
       }
     },
     {
-      "entity_with_strict_array.json": {
+      "entity_with_property_with_default_value.json": {
         "type": "object",
+        "definitions": {
+          "int_prop": {
+            "$ref": "common.json#/non_negative_integer",
+            "default_value": "0"
+          },
+          "url_prop": {
+            "$ref": "common.json#/url",
+            "schemes": [
+              "https"
+            ],
+            "default_value": "https://yandex.ru"
+          },
+          "nested": {
+            "type": "object",
+            "properties": {
+              "int": {
+                "alias_dart": "iNum",
+                "$ref": "#/definitions/int_prop"
+              },
+              "url": {
+                "$ref": "#/definitions/url_prop"
+              },
+              "non_optional": {
+                "type": "string"
+              }
+            },
+            "$description": "translations.json#/entity_with_property_with_default_value_nested",
+            "required": [
+              "non_optional"
+            ]
+          }
+        },
         "properties": {
           "type": {
             "type": "string",
             "enum": [
-              "entity_with_strict_array"
+              "entity_with_property_with_default_value"
             ]
           },
-          "array": {
-            "type": "array",
-            "items": {
-              "$ref": "entity.json"
-            },
-            "minItems": 1,
-            "strictParsing": true
+          "int": {
+            "alias_dart": "iNum",
+            "$ref": "#/definitions/int_prop"
+          },
+          "url": {
+            "$ref": "#/definitions/url_prop"
+          },
+          "nested": {
+            "$ref": "#/definitions/nested"
           }
         },
         "required": [
-          "type",
-          "array"
-        ]
-      }
-    },
-    {
-      "entity_with_string_array_property.json": {
-        "type": "object",
-        "properties": {
-          "type": {
-            "type": "string",
-            "enum": [
-              "entity_with_string_array_property"
-            ]
-          },
-          "array": {
-            "type": "array",
-            "items": {
-              "type": "string"
-            },
-            "minItems": 1
-          }
-        },
-        "required": [
-          "type",
-          "array"
+          "type"
         ]
       }
     },
@@ -708,6 +659,55 @@
           "type"
         ]
       }
+    },
+    {
+      "entity_with_strict_array.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_strict_array"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "$ref": "entity.json"
+            },
+            "minItems": 1,
+            "strictParsing": true
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
+    },
+    {
+      "entity_with_string_array_property.json": {
+        "type": "object",
+        "properties": {
+          "type": {
+            "type": "string",
+            "enum": [
+              "entity_with_string_array_property"
+            ]
+          },
+          "array": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            },
+            "minItems": 1
+          }
+        },
+        "required": [
+          "type",
+          "array"
+        ]
+      }
     }
   ]
 }

json-builder/python/codegen_config.json

@@ -1,4 +1,4 @@
 {
     "lang": "python",
-    "header": "# Generated code. Do not modify.\n# flake8: noqa: F401, F405, F811\n\nfrom __future__ import annotations\nfrom pydivkit.core import BaseDiv, Field\nimport enum\nimport typing\n\n"
+    "header": "# Generated code. Do not modify.\n# flake8: noqa: F401, F405, F811\n\nfrom __future__ import annotations\nfrom pydivkit.core import BaseDiv, Field, Expr\nimport enum\nimport typing\n\n"
 }

json-builder/python/pydivkit/__init__.py

@@ -1,12 +1,12 @@
 # flake8: noqa: F405
-from typing import Dict, Any
+from typing import Any, Dict
 
 from pydivkit.core import Field, Ref
 from pydivkit.div import *
 from pydivkit.div import __all__ as __div_all__
 
 
-def make_card(log_id: str, *divs: Div):
+def make_card(log_id: str, *divs: Div) -> DivData:
     return DivData(
         log_id=log_id,
         states=[

json-builder/python/pydivkit/core/__init__.py

@@ -1,9 +1,11 @@
 from .entities import BaseDiv, BaseEntity
-from .fields import Field, Ref
+from .fields import Expr, Field, Ref
+
 
 __all__ = (
     "BaseEntity",
     "BaseDiv",
     "Field",
     "Ref",
+    "Expr",
 )

json-builder/python/pydivkit/core/entities.py

@@ -10,11 +10,11 @@ from functools import reduce
 from types import MappingProxyType
 from typing import (
     Any, Dict, FrozenSet, List, Mapping, Optional, Sequence, Set, Type, Union,
-    get_args, get_origin, get_type_hints,
+    get_args, get_origin, get_type_hints, Iterator, Tuple,
 )
 
 from .compat import classproperty
-from .fields import _Field
+from .fields import Expr, _Field
 from .types.union import inject_types
 
 
@@ -54,16 +54,20 @@ def _cast_value_type(value: Any, type_: Any) -> Any:  # noqa
         return value
 
     origin_type = get_origin(type_)
-    if origin_type is list:
-        if not isinstance(value, list):
+
+    if isinstance(origin_type, type) and isinstance(origin_type, (str, bytes)):
+        return type_(value)
+
+    if isinstance(origin_type, type) and issubclass(origin_type, Sequence):
+        if not isinstance(value, Sequence):
             raise ValueError(
                 f"Value {value} has wrong type. Expected type is {type_}.",
             )
         element_type, *_ = get_args(type_)
         return [_cast_value_type(v, element_type) for v in value]
 
-    if origin_type is dict:
-        if not isinstance(value, dict):
+    if isinstance(origin_type, type) and issubclass(origin_type, Mapping):
+        if not isinstance(value, Mapping):
             raise ValueError(
                 f"Value {value} has wrong type. Expected type is {type_}.",
             )
@@ -88,7 +92,9 @@ def _cast_value_type(value: Any, type_: Any) -> Any:  # noqa
                 raise ValueError(
                     f"Union {type_} does not contain type {type_value}.",
                 )
-            raise ValueError(f"Value {value} does not have field {TYPE_FIELD}.")
+            raise ValueError(
+                f"Value {value} does not have field {TYPE_FIELD}.",
+            )
         for u_type in get_args(type_):
             try:
                 return _cast_value_type(value, u_type)
@@ -123,11 +129,17 @@ def _cast_value_type(value: Any, type_: Any) -> Any:  # noqa
 
 
 def dump(obj: Any) -> Any:
-    if isinstance(obj, list):
+    if isinstance(obj, (str, bytes)):
+        return obj
+    if isinstance(obj, Sequence):
         return [dump(obj_item) for obj_item in obj]
-    elif isinstance(obj, BaseEntity):
+    if isinstance(obj, Mapping):
+        return {k: v for k, v in obj.items()}
+    if isinstance(obj, Expr):
+        return str(obj)
+    if isinstance(obj, BaseEntity):
         return obj.dict()
-    elif isinstance(obj, enum.Enum):
+    if isinstance(obj, enum.Enum):
         return obj.value
     return obj
 
@@ -173,6 +185,8 @@ BUILTIN_TYPES_TO_SCHEMA: Mapping[type, Mapping[str, Any]] = MappingProxyType(
             },
         ),
         str: MappingProxyType({"type": "string"}),
+        bytes: MappingProxyType({"type": "string"}),
+        Expr: MappingProxyType({"type": "string", "pattern": "^@{.*}$"}),
     },
 )
 
@@ -244,14 +258,14 @@ def _field_to_schema(
     schema: Optional[SchemaType] = None
     if field and field.name == TYPE_FIELD and field.default:
         schema = _type_field_to_schema(field)
-    elif origin is list:
+    elif type_ in BUILTIN_TYPES_TO_SCHEMA:
+        schema = {**BUILTIN_TYPES_TO_SCHEMA[type_]}
+    elif isinstance(origin, type) and issubclass(origin, Sequence):
         schema = _list_to_schema(type_, definitions, exclude)
-    elif origin is dict:
+    elif isinstance(origin, type) and issubclass(origin, Mapping):
         schema = _dict_to_schema()
     elif origin is Union:
         schema = _union_to_schema(field, type_, exclude, definitions)
-    elif type_ in BUILTIN_TYPES_TO_SCHEMA:
-        schema = {**BUILTIN_TYPES_TO_SCHEMA[type_]}
     elif issubclass(type_, BaseEntity):
         schema = type_.schema_as_ref(definitions, exclude)
     elif issubclass(type_, enum.Enum):
@@ -509,7 +523,9 @@ class BaseEntity:
             field_value = getattr(self, field_name, field.default)
             if field_value is not None:
                 if isinstance(field_value, _Field) and field_value.ref_to:
-                    result[f"${field.field_name}"] = field_value.ref_to.field_name
+                    result[
+                        f"${field.field_name}"
+                    ] = field_value.ref_to.field_name
                 else:
                     result[field.field_name] = dump(field_value)
         return result
@@ -681,6 +697,44 @@ class BaseDiv(BaseEntity):
                 ref_types[ref_uid] = field_type
         return MappingProxyType(ref_types)
 
+    @staticmethod
+    def _make_union(type: Type[Any]) -> Set[Type[Any]]:
+        if get_origin(type) is Union:
+            return set(get_args(type))
+        return {type}
+
+    @classmethod
+    def _validate_subclass(
+        cls,
+        ref_type: Type[Any],
+        expected_field_type: Type[Any],
+    ) -> bool:
+        def _check_origins() -> Iterator[Tuple[Tuple[Any, ...], Tuple[Any, ...]]]:
+            for ref in cls._make_union(ref_type):
+                for expect in cls._make_union(expected_field_type):
+                    if get_origin(expect) == get_origin(ref):
+                        yield get_args(ref), get_args(expect)
+            return None
+
+        for origins in _check_origins():
+            if origins is None:
+                return False
+
+            expect, ref = origins
+
+            if get_args(expect) == get_args(ref):
+                return True
+
+            if not any(
+                issubclass(exp, get_args(ref))
+                for exp in get_args(expect)
+                if get_origin(exp) is not Union
+            ):
+                continue
+
+            return True
+        return False
+
     @classmethod
     def _validate_ref_types(cls) -> None:
         ref_types = cls._merge_ref_types(
@@ -693,6 +747,9 @@ class BaseDiv(BaseEntity):
             if (
                 ref_type != expected_field_type
                 and ref_type != Optional[expected_field_type]
+                and ref_type != Union[expected_field_type, Expr]
+                and ref_type != Union[expected_field_type, Expr, None]
+                and not cls._validate_subclass(ref_type, expected_field_type)
             ):
                 raise TypeError(
                     f"Type of attribute '{field_name}' does "

json-builder/python/pydivkit/core/fields.py

@@ -23,7 +23,9 @@ class _Field:
 
     def apply_constraints(self, constraints: Mapping[str, Any]) -> None:
         for c_key, c_value in constraints.items():
-            if self.constraints.get(c_key) and self.constraints[c_key] != c_value:
+            if self.constraints.get(c_key) and self.constraints[
+                c_key
+            ] != c_value:
                 raise ValueError(
                     f"Incompatible constraints: {c_key} = "
                     f"{self.constraints[c_key]} and {c_key} = {c_value}",
@@ -82,3 +84,19 @@ def Ref(field: Any) -> Any:
         )
     field.is_ref = True
     return _Field(ref_to=field)
+
+
+class Expr:
+    __slots__ = ("v",)
+    v: str
+
+    def __init__(self, v: str):
+        if not v.startswith("@{") or not v.endswith("}"):
+            raise ValueError(f"failed to initiate Expr with {v}")
+        self.v = v
+
+    def __repr__(self) -> str:
+        return f"Expr({self.v})"
+
+    def __str__(self) -> str:
+        return self.v

json-builder/python/pydivkit/div/__init__.py

@@ -19,6 +19,7 @@ from .div_aspect import DivAspect
 from .div_background import DivBackground
 from .div_base import DivBase
 from .div_blend_mode import DivBlendMode
+from .div_blur import DivBlur
 from .div_border import DivBorder
 from .div_change_bounds_transition import DivChangeBoundsTransition
 from .div_change_set_transition import DivChangeSetTransition
@@ -30,15 +31,24 @@ from .div_container import (
 )
 from .div_corners_radius import DivCornersRadius
 from .div_count import DivCount
+from .div_currency_input_mask import DivCurrencyInputMask
 from .div_custom import DivCustom
 from .div_data import DivData, DivDataState
+from .div_default_indicator_item_placement import (
+    DivDefaultIndicatorItemPlacement,
+)
 from .div_dimension import DivDimension
+from .div_disappear_action import DivDisappearAction
 from .div_download_callbacks import DivDownloadCallbacks
 from .div_drawable import DivDrawable
 from .div_edge_insets import DivEdgeInsets
 from .div_extension import DivExtension
 from .div_fade_transition import DivFadeTransition
+from .div_filter import DivFilter
 from .div_fixed_count import DivFixedCount
+from .div_fixed_length_input_mask import (
+    DivFixedLengthInputMask, DivFixedLengthInputMaskPatternElement,
+)
 from .div_fixed_size import DivFixedSize
 from .div_focus import DivFocus, DivFocusNextFocusIds
 from .div_font_family import DivFontFamily
@@ -53,8 +63,15 @@ from .div_image import DivImage
 from .div_image_background import DivImageBackground
 from .div_image_scale import DivImageScale
 from .div_indicator import DivIndicator, DivIndicatorAnimation
+from .div_indicator_item_placement import DivIndicatorItemPlacement
 from .div_infinity_count import DivInfinityCount
 from .div_input import DivInput, DivInputKeyboardType, DivInputNativeInterface
+from .div_input_mask import DivInputMask
+from .div_input_mask_base import DivInputMaskBase
+from .div_input_validator import DivInputValidator
+from .div_input_validator_base import DivInputValidatorBase
+from .div_input_validator_expression import DivInputValidatorExpression
+from .div_input_validator_regex import DivInputValidatorRegex
 from .div_line_style import DivLineStyle
 from .div_linear_gradient import DivLinearGradient
 from .div_match_parent_size import DivMatchParentSize
@@ -79,6 +96,7 @@ from .div_radial_gradient_relative_radius import (
 )
 from .div_rounded_rectangle_shape import DivRoundedRectangleShape
 from .div_scale_transition import DivScaleTransition
+from .div_select import DivSelect, DivSelectOption
 from .div_separator import (
     DelimiterStyleOrientation, DivSeparator, DivSeparatorDelimiterStyle,
 )
@@ -91,6 +109,9 @@ from .div_slide_transition import DivSlideTransition, DivSlideTransitionEdge
 from .div_slider import DivSlider, DivSliderTextStyle
 from .div_solid_background import DivSolidBackground
 from .div_state import DivState, DivStateState
+from .div_stretch_indicator_item_placement import (
+    DivStretchIndicatorItemPlacement,
+)
 from .div_stroke import DivStroke
 from .div_tabs import (
     DivTabs, DivTabsItem, DivTabsTabTitleStyle, TabTitleStyleAnimationType,
@@ -99,6 +120,9 @@ from .div_text import (
     DivText, DivTextEllipsis, DivTextImage, DivTextRange, DivTextTruncate,
 )
 from .div_text_gradient import DivTextGradient
+from .div_text_range_background import DivTextRangeBackground
+from .div_text_range_border import DivTextRangeBorder
+from .div_timer import DivTimer
 from .div_tooltip import DivTooltip, DivTooltipPosition
 from .div_transform import DivTransform
 from .div_transition_base import DivTransitionBase
@@ -106,9 +130,13 @@ from .div_transition_selector import DivTransitionSelector
 from .div_transition_trigger import DivTransitionTrigger
 from .div_trigger import DivTrigger, DivTriggerMode
 from .div_variable import DivVariable
+from .div_video import DivVideo
+from .div_video_source import DivVideoSource, DivVideoSourceResolution
 from .div_visibility import DivVisibility
 from .div_visibility_action import DivVisibilityAction
-from .div_wrap_content_size import DivWrapContentSize
+from .div_wrap_content_size import (
+    DivWrapContentSize, DivWrapContentSizeConstraintSize,
+)
 from .integer_variable import IntegerVariable
 from .number_variable import NumberVariable
 from .string_variable import StringVariable
@@ -125,6 +153,7 @@ DivAnimation.update_forward_refs()
 DivAppearanceSetTransition.update_forward_refs()
 DivAspect.update_forward_refs()
 DivBase.update_forward_refs()
+DivBlur.update_forward_refs()
 DivBorder.update_forward_refs()
 DivChangeBoundsTransition.update_forward_refs()
 DivChangeSetTransition.update_forward_refs()
@@ -132,15 +161,20 @@ DivCircleShape.update_forward_refs()
 DivContainer.update_forward_refs()
 DivContainerSeparator.update_forward_refs()
 DivCornersRadius.update_forward_refs()
+DivCurrencyInputMask.update_forward_refs()
 DivCustom.update_forward_refs()
 DivData.update_forward_refs()
 DivDataState.update_forward_refs()
+DivDefaultIndicatorItemPlacement.update_forward_refs()
 DivDimension.update_forward_refs()
+DivDisappearAction.update_forward_refs()
 DivDownloadCallbacks.update_forward_refs()
 DivEdgeInsets.update_forward_refs()
 DivExtension.update_forward_refs()
 DivFadeTransition.update_forward_refs()
 DivFixedCount.update_forward_refs()
+DivFixedLengthInputMask.update_forward_refs()
+DivFixedLengthInputMaskPatternElement.update_forward_refs()
 DivFixedSize.update_forward_refs()
 DivFocus.update_forward_refs()
 DivFocusNextFocusIds.update_forward_refs()
@@ -153,6 +187,10 @@ DivIndicator.update_forward_refs()
 DivInfinityCount.update_forward_refs()
 DivInput.update_forward_refs()
 DivInputNativeInterface.update_forward_refs()
+DivInputMaskBase.update_forward_refs()
+DivInputValidatorBase.update_forward_refs()
+DivInputValidatorExpression.update_forward_refs()
+DivInputValidatorRegex.update_forward_refs()
 DivLinearGradient.update_forward_refs()
 DivMatchParentSize.update_forward_refs()
 DivNeighbourPageSize.update_forward_refs()
@@ -171,6 +209,8 @@ DivRadialGradientRelativeCenter.update_forward_refs()
 DivRadialGradientRelativeRadius.update_forward_refs()
 DivRoundedRectangleShape.update_forward_refs()
 DivScaleTransition.update_forward_refs()
+DivSelect.update_forward_refs()
+DivSelectOption.update_forward_refs()
 DivSeparator.update_forward_refs()
 DivSeparatorDelimiterStyle.update_forward_refs()
 DivShadow.update_forward_refs()
@@ -181,6 +221,7 @@ DivSliderTextStyle.update_forward_refs()
 DivSolidBackground.update_forward_refs()
 DivState.update_forward_refs()
 DivStateState.update_forward_refs()
+DivStretchIndicatorItemPlacement.update_forward_refs()
 DivStroke.update_forward_refs()
 DivTabs.update_forward_refs()
 DivTabsItem.update_forward_refs()
@@ -189,15 +230,21 @@ DivText.update_forward_refs()
 DivTextEllipsis.update_forward_refs()
 DivTextImage.update_forward_refs()
 DivTextRange.update_forward_refs()
+DivTextRangeBorder.update_forward_refs()
+DivTimer.update_forward_refs()
 DivTooltip.update_forward_refs()
 DivTransform.update_forward_refs()
 DivTransitionBase.update_forward_refs()
 DivTrigger.update_forward_refs()
+DivVideo.update_forward_refs()
+DivVideoSource.update_forward_refs()
+DivVideoSourceResolution.update_forward_refs()
 DivVisibilityAction.update_forward_refs()
 DivWrapContentSize.update_forward_refs()
+DivWrapContentSizeConstraintSize.update_forward_refs()
 IntegerVariable.update_forward_refs()
 NumberVariable.update_forward_refs()
 StringVariable.update_forward_refs()
 UrlVariable.update_forward_refs()
 
-__all__ = ("BooleanVariable", "ColorVariable", "DelimiterStyleOrientation", "Div", "DivAbsoluteEdgeInsets", "DivAccessibility", "DivAccessibilityMode", "DivAccessibilityType", "DivAction", "DivActionMenuItem", "DivActionTarget", "DivAlignmentHorizontal", "DivAlignmentVertical", "DivAnimation", "DivAnimationInterpolator", "DivAnimationName", "DivAppearanceSetTransition", "DivAppearanceTransition", "DivAspect", "DivBackground", "DivBase", "DivBlendMode", "DivBorder", "DivChangeBoundsTransition", "DivChangeSetTransition", "DivChangeTransition", "DivCircleShape", "DivContainer", "DivContainerLayoutMode", "DivContainerOrientation", "DivContainerSeparator", "DivCornersRadius", "DivCount", "DivCustom", "DivData", "DivDataState", "DivDimension", "DivDownloadCallbacks", "DivDrawable", "DivEdgeInsets", "DivExtension", "DivFadeTransition", "DivFixedCount", "DivFixedSize", "DivFocus", "DivFocusNextFocusIds", "DivFontFamily", "DivFontWeight", "DivGallery", "DivGalleryCrossContentAlignment", "DivGalleryOrientation", "DivGalleryScrollMode", "DivGifImage", "DivGrid", "DivImage", "DivImageBackground", "DivImageScale", "DivIndicator", "DivIndicatorAnimation", "DivInfinityCount", "DivInput", "DivInputKeyboardType", "DivInputNativeInterface", "DivLineStyle", "DivLinearGradient", "DivMatchParentSize", "DivNeighbourPageSize", "DivNinePatchBackground", "DivPageSize", "DivPager", "DivPagerLayoutMode", "DivPagerOrientation", "DivPatch", "DivPatchChange", "DivPatchMode", "DivPercentageSize", "DivPivot", "DivPivotFixed", "DivPivotPercentage", "DivPoint", "DivRadialGradient", "DivRadialGradientCenter", "DivRadialGradientFixedCenter", "DivRadialGradientRadius", "DivRadialGradientRelativeCenter", "DivRadialGradientRelativeRadius", "DivRadialGradientRelativeRadiusValue", "DivRoundedRectangleShape", "DivScaleTransition", "DivSeparator", "DivSeparatorDelimiterStyle", "DivShadow", "DivShape", "DivShapeDrawable", "DivSize", "DivSizeUnit", "DivSlideTransition", "DivSlideTransitionEdge", "DivSlider", "DivSliderTextStyle", "DivSolidBackground", "DivState", "DivStateState", "DivStroke", "DivTabs", "DivTabsItem", "DivTabsTabTitleStyle", "DivText", "DivTextEllipsis", "DivTextGradient", "DivTextImage", "DivTextRange", "DivTextTruncate", "DivTooltip", "DivTooltipPosition", "DivTransform", "DivTransitionBase", "DivTransitionSelector", "DivTransitionTrigger", "DivTrigger", "DivTriggerMode", "DivVariable", "DivVisibility", "DivVisibilityAction", "DivWrapContentSize", "IntegerVariable", "NumberVariable", "StringVariable", "TabTitleStyleAnimationType", "UrlVariable")
+__all__ = ("BooleanVariable", "ColorVariable", "DelimiterStyleOrientation", "Div", "DivAbsoluteEdgeInsets", "DivAccessibility", "DivAccessibilityMode", "DivAccessibilityType", "DivAction", "DivActionMenuItem", "DivActionTarget", "DivAlignmentHorizontal", "DivAlignmentVertical", "DivAnimation", "DivAnimationInterpolator", "DivAnimationName", "DivAppearanceSetTransition", "DivAppearanceTransition", "DivAspect", "DivBackground", "DivBase", "DivBlendMode", "DivBlur", "DivBorder", "DivChangeBoundsTransition", "DivChangeSetTransition", "DivChangeTransition", "DivCircleShape", "DivContainer", "DivContainerLayoutMode", "DivContainerOrientation", "DivContainerSeparator", "DivCornersRadius", "DivCount", "DivCurrencyInputMask", "DivCustom", "DivData", "DivDataState", "DivDefaultIndicatorItemPlacement", "DivDimension", "DivDisappearAction", "DivDownloadCallbacks", "DivDrawable", "DivEdgeInsets", "DivExtension", "DivFadeTransition", "DivFilter", "DivFixedCount", "DivFixedLengthInputMask", "DivFixedLengthInputMaskPatternElement", "DivFixedSize", "DivFocus", "DivFocusNextFocusIds", "DivFontFamily", "DivFontWeight", "DivGallery", "DivGalleryCrossContentAlignment", "DivGalleryOrientation", "DivGalleryScrollMode", "DivGifImage", "DivGrid", "DivImage", "DivImageBackground", "DivImageScale", "DivIndicator", "DivIndicatorAnimation", "DivIndicatorItemPlacement", "DivInfinityCount", "DivInput", "DivInputKeyboardType", "DivInputMask", "DivInputMaskBase", "DivInputNativeInterface", "DivInputValidator", "DivInputValidatorBase", "DivInputValidatorExpression", "DivInputValidatorRegex", "DivLineStyle", "DivLinearGradient", "DivMatchParentSize", "DivNeighbourPageSize", "DivNinePatchBackground", "DivPageSize", "DivPager", "DivPagerLayoutMode", "DivPagerOrientation", "DivPatch", "DivPatchChange", "DivPatchMode", "DivPercentageSize", "DivPivot", "DivPivotFixed", "DivPivotPercentage", "DivPoint", "DivRadialGradient", "DivRadialGradientCenter", "DivRadialGradientFixedCenter", "DivRadialGradientRadius", "DivRadialGradientRelativeCenter", "DivRadialGradientRelativeRadius", "DivRadialGradientRelativeRadiusValue", "DivRoundedRectangleShape", "DivScaleTransition", "DivSelect", "DivSelectOption", "DivSeparator", "DivSeparatorDelimiterStyle", "DivShadow", "DivShape", "DivShapeDrawable", "DivSize", "DivSizeUnit", "DivSlideTransition", "DivSlideTransitionEdge", "DivSlider", "DivSliderTextStyle", "DivSolidBackground", "DivState", "DivStateState", "DivStretchIndicatorItemPlacement", "DivStroke", "DivTabs", "DivTabsItem", "DivTabsTabTitleStyle", "DivText", "DivTextEllipsis", "DivTextGradient", "DivTextImage", "DivTextRange", "DivTextRangeBackground", "DivTextRangeBorder", "DivTextTruncate", "DivTimer", "DivTooltip", "DivTooltipPosition", "DivTransform", "DivTransitionBase", "DivTransitionSelector", "DivTransitionTrigger", "DivTrigger", "DivTriggerMode", "DivVariable", "DivVideo", "DivVideoSource", "DivVideoSourceResolution", "DivVisibility", "DivVisibilityAction", "DivWrapContentSize", "DivWrapContentSizeConstraintSize", "IntegerVariable", "NumberVariable", "StringVariable", "TabTitleStyleAnimationType", "UrlVariable")

json-builder/python/pydivkit/div/boolean_variable.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # A Boolean variable in binary format.
@@ -14,22 +14,24 @@ class BooleanVariable(BaseDiv):
 
     def __init__(
         self, *,
-        name: str,
-        value: bool,
         type: str = "boolean",
+        name: typing.Optional[typing.Union[Expr, str]] = None,
+        value: typing.Optional[typing.Union[Expr, bool]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             name=name,
             value=value,
+            **kwargs,
         )
 
     type: str = Field(default="boolean")
-    name: str = Field(
+    name: typing.Union[Expr, str] = Field(
         min_length=1, 
         description="Variable name.",
     )
-    value: bool = Field(
+    value: typing.Union[Expr, bool] = Field(
         description="Value.",
     )
 

json-builder/python/pydivkit/div/color_variable.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # Variable — HEX color as a string.
@@ -14,22 +14,24 @@ class ColorVariable(BaseDiv):
 
     def __init__(
         self, *,
-        name: str,
-        value: str,
         type: str = "color",
+        name: typing.Optional[typing.Union[Expr, str]] = None,
+        value: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             name=name,
             value=value,
+            **kwargs,
         )
 
     type: str = Field(default="color")
-    name: str = Field(
+    name: typing.Union[Expr, str] = Field(
         min_length=1, 
         description="Variable name.",
     )
-    value: str = Field(
+    value: typing.Union[Expr, str] = Field(
         format="color", 
         description="Value.",
     )

json-builder/python/pydivkit/div/div.py

@@ -7,12 +7,12 @@ import enum
 import typing
 from typing import Union
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_container, div_custom, div_gallery, div_gif_image, div_grid, div_image,
-    div_indicator, div_input, div_pager, div_separator, div_slider, div_state,
-    div_tabs, div_text,
+    div_indicator, div_input, div_pager, div_select, div_separator, div_slider,
+    div_state, div_tabs, div_text, div_video,
 )
 
 
@@ -31,4 +31,6 @@ Div = Union[
     div_indicator.DivIndicator,
     div_slider.DivSlider,
     div_input.DivInput,
+    div_select.DivSelect,
+    div_video.DivVideo,
 ]

json-builder/python/pydivkit/div/div_absolute_edge_insets.py

@@ -6,36 +6,38 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
-# Sets the margins, without taking the properties of the screen.
+# Sets margins without regard to screen properties.
 class DivAbsoluteEdgeInsets(BaseDiv):
 
     def __init__(
         self, *,
-        bottom: typing.Optional[int] = None,
-        left: typing.Optional[int] = None,
-        right: typing.Optional[int] = None,
-        top: typing.Optional[int] = None,
+        bottom: typing.Optional[typing.Union[Expr, int]] = None,
+        left: typing.Optional[typing.Union[Expr, int]] = None,
+        right: typing.Optional[typing.Union[Expr, int]] = None,
+        top: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             bottom=bottom,
             left=left,
             right=right,
             top=top,
+            **kwargs,
         )
 
-    bottom: typing.Optional[int] = Field(
+    bottom: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Bottom margin.",
     )
-    left: typing.Optional[int] = Field(
+    left: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Left margin.",
     )
-    right: typing.Optional[int] = Field(
+    right: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Right margin.",
     )
-    top: typing.Optional[int] = Field(
+    top: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Top margin.",
     )
 

json-builder/python/pydivkit/div/div_accessibility.py

@@ -6,20 +6,21 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
-# Accessibility for disabled people.
+# Accessibility settings.
 class DivAccessibility(BaseDiv):
 
     def __init__(
         self, *,
-        description: typing.Optional[str] = None,
-        hint: typing.Optional[str] = None,
-        mode: typing.Optional[DivAccessibilityMode] = None,
-        mute_after_action: typing.Optional[bool] = None,
-        state_description: typing.Optional[str] = None,
-        type: typing.Optional[DivAccessibilityType] = None,
+        description: typing.Optional[typing.Union[Expr, str]] = None,
+        hint: typing.Optional[typing.Union[Expr, str]] = None,
+        mode: typing.Optional[typing.Union[Expr, DivAccessibilityMode]] = None,
+        mute_after_action: typing.Optional[typing.Union[Expr, bool]] = None,
+        state_description: typing.Optional[typing.Union[Expr, str]] = None,
+        type: typing.Optional[typing.Union[Expr, DivAccessibilityType]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             description=description,
@@ -28,16 +29,17 @@ class DivAccessibility(BaseDiv):
             mute_after_action=mute_after_action,
             state_description=state_description,
             type=type,
+            **kwargs,
         )
 
-    description: typing.Optional[str] = Field(
+    description: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element description. It is used as the main description for "
             "screen readingapplications."
         ),
     )
-    hint: typing.Optional[str] = Field(
+    hint: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "A tooltip of what will happen during interaction. If Speak "
@@ -45,7 +47,7 @@ class DivAccessibility(BaseDiv):
             "is played after `description`."
         ),
     )
-    mode: typing.Optional[DivAccessibilityMode] = Field(
+    mode: typing.Optional[typing.Union[Expr, DivAccessibilityMode]] = Field(
         description=(
             "The way the accessibility tree is organized. In the `merge` "
             "mode theaccessibility service perceives an element together "
@@ -53,13 +55,13 @@ class DivAccessibility(BaseDiv):
             "together with a subtree isn\'t available foraccessibility."
         ),
     )
-    mute_after_action: typing.Optional[bool] = Field(
+    mute_after_action: typing.Optional[typing.Union[Expr, bool]] = Field(
         description=(
-            "Mutes the sound of the screen reader after interacting with "
-            "the element."
+            "Mutes the screen reader sound after interacting with the "
+            "element."
         ),
     )
-    state_description: typing.Optional[str] = Field(
+    state_description: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Description of the current state of an element. For "
@@ -68,10 +70,11 @@ class DivAccessibility(BaseDiv):
             "switch."
         ),
     )
-    type: typing.Optional[DivAccessibilityType] = Field(
+    type: typing.Optional[typing.Union[Expr, DivAccessibilityType]] = Field(
         description=(
-            "Element role. It is used for correct identification of an "
-            "element by anaccessibility service."
+            "Element role. Used to correctly identify an element by the "
+            "accessibility service.For example, the `list` element is "
+            "used to group list elements into one element."
         ),
     )
 
@@ -90,6 +93,7 @@ class DivAccessibilityType(str, enum.Enum):
     EDIT_TEXT = "edit_text"
     HEADER = "header"
     TAB_BAR = "tab_bar"
+    LIST = "list"
 
 
 DivAccessibility.update_forward_refs()

json-builder/python/pydivkit/div/div_action.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_download_callbacks
 
@@ -16,14 +16,15 @@ class DivAction(BaseDiv):
 
     def __init__(
         self, *,
-        log_id: str,
         download_callbacks: typing.Optional[div_download_callbacks.DivDownloadCallbacks] = None,
-        log_url: typing.Optional[str] = None,
-        menu_items: typing.Optional[typing.List[DivActionMenuItem]] = None,
+        log_id: typing.Optional[typing.Union[Expr, str]] = None,
+        log_url: typing.Optional[typing.Union[Expr, str]] = None,
+        menu_items: typing.Optional[typing.Sequence[DivActionMenuItem]] = None,
         payload: typing.Optional[typing.Dict[str, typing.Any]] = None,
-        referer: typing.Optional[str] = None,
-        target: typing.Optional[DivActionTarget] = None,
-        url: typing.Optional[str] = None,
+        referer: typing.Optional[typing.Union[Expr, str]] = None,
+        target: typing.Optional[typing.Union[Expr, DivActionTarget]] = None,
+        url: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             download_callbacks=download_callbacks,
@@ -34,6 +35,7 @@ class DivAction(BaseDiv):
             referer=referer,
             target=target,
             url=url,
+            **kwargs,
         )
 
     download_callbacks: typing.Optional[div_download_callbacks.DivDownloadCallbacks] = Field(
@@ -42,29 +44,29 @@ class DivAction(BaseDiv):
             "[dataloading](../../interaction.dita#loading-data)."
         ),
     )
-    log_id: str = Field(
+    log_id: typing.Union[Expr, str] = Field(
         min_length=1, 
         description="Logging ID.",
     )
-    log_url: typing.Optional[str] = Field(
+    log_url: typing.Optional[typing.Union[Expr, str]] = Field(
         format="uri", 
         description="URL for logging.",
     )
-    menu_items: typing.Optional[typing.List[DivActionMenuItem]] = Field(
+    menu_items: typing.Optional[typing.Sequence[DivActionMenuItem]] = Field(
         min_items=1, 
         description="Context menu.",
     )
     payload: typing.Optional[typing.Dict[str, typing.Any]] = Field(
         description="Additional parameters, passed to the host application.",
     )
-    referer: typing.Optional[str] = Field(
+    referer: typing.Optional[typing.Union[Expr, str]] = Field(
         format="uri", 
         description="Referer URL for logging.",
     )
-    target: typing.Optional[DivActionTarget] = Field(
+    target: typing.Optional[typing.Union[Expr, DivActionTarget]] = Field(
         description="The tab in which the URL must be opened.",
     )
-    url: typing.Optional[str] = Field(
+    url: typing.Optional[typing.Union[Expr, str]] = Field(
         format="uri", 
         description=(
             "URL. Possible values: `url` or `div-action://`. To learn "
@@ -83,14 +85,16 @@ class DivActionMenuItem(BaseDiv):
 
     def __init__(
         self, *,
-        text: str,
         action: typing.Optional[DivAction] = None,
-        actions: typing.Optional[typing.List[DivAction]] = None,
+        actions: typing.Optional[typing.Sequence[DivAction]] = None,
+        text: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             action=action,
             actions=actions,
             text=text,
+            **kwargs,
         )
 
     action: typing.Optional[DivAction] = Field(
@@ -99,11 +103,11 @@ class DivActionMenuItem(BaseDiv):
             "`actions` parameter isset."
         ),
     )
-    actions: typing.Optional[typing.List[DivAction]] = Field(
+    actions: typing.Optional[typing.Sequence[DivAction]] = Field(
         min_items=1, 
         description="Multiple actions when clicking on a menu item.",
     )
-    text: str = Field(
+    text: typing.Union[Expr, str] = Field(
         min_length=1, 
         description="Menu item title.",
     )

json-builder/python/pydivkit/div/div_alignment_horizontal.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivAlignmentHorizontal(str, enum.Enum):

json-builder/python/pydivkit/div/div_alignment_vertical.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivAlignmentVertical(str, enum.Enum):

json-builder/python/pydivkit/div/div_animation.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_animation_interpolator, div_count
 
@@ -16,14 +16,15 @@ class DivAnimation(BaseDiv):
 
     def __init__(
         self, *,
-        name: DivAnimationName,
-        duration: typing.Optional[int] = None,
-        end_value: typing.Optional[float] = None,
-        interpolator: typing.Optional[div_animation_interpolator.DivAnimationInterpolator] = None,
-        items: typing.Optional[typing.List[DivAnimation]] = None,
+        duration: typing.Optional[typing.Union[Expr, int]] = None,
+        end_value: typing.Optional[typing.Union[Expr, float]] = None,
+        interpolator: typing.Optional[typing.Union[Expr, div_animation_interpolator.DivAnimationInterpolator]] = None,
+        items: typing.Optional[typing.Sequence[DivAnimation]] = None,
+        name: typing.Optional[typing.Union[Expr, DivAnimationName]] = None,
         repeat: typing.Optional[div_count.DivCount] = None,
-        start_delay: typing.Optional[int] = None,
-        start_value: typing.Optional[float] = None,
+        start_delay: typing.Optional[typing.Union[Expr, int]] = None,
+        start_value: typing.Optional[typing.Union[Expr, float]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             duration=duration,
@@ -34,15 +35,16 @@ class DivAnimation(BaseDiv):
             repeat=repeat,
             start_delay=start_delay,
             start_value=start_value,
+            **kwargs,
         )
 
-    duration: typing.Optional[int] = Field(
+    duration: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Animation duration in milliseconds.",
     )
-    end_value: typing.Optional[float] = Field(
+    end_value: typing.Optional[typing.Union[Expr, float]] = Field(
         description="Final value of an animation.",
     )
-    interpolator: typing.Optional[div_animation_interpolator.DivAnimationInterpolator] = Field(
+    interpolator: typing.Optional[typing.Union[Expr, div_animation_interpolator.DivAnimationInterpolator]] = Field(
         description=(
             "Animation speed nature. When the value is set to `spring` — "
             "animation of dampingfluctuations cut to 0.7 with the "
@@ -53,20 +55,20 @@ class DivAnimation(BaseDiv):
             "0.58, 1);`ease_in_out` — cubic-bezier(0.42, 0,0.58, 1)."
         ),
     )
-    items: typing.Optional[typing.List[DivAnimation]] = Field(
+    items: typing.Optional[typing.Sequence[DivAnimation]] = Field(
         min_items=1, 
         description="Animation elements.",
     )
-    name: DivAnimationName = Field(
+    name: typing.Union[Expr, DivAnimationName] = Field(
         description="Animation type.",
     )
     repeat: typing.Optional[div_count.DivCount] = Field(
         description="Number of animation repetitions.",
     )
-    start_delay: typing.Optional[int] = Field(
+    start_delay: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Delay in milliseconds before animation starts.",
     )
-    start_value: typing.Optional[float] = Field(
+    start_value: typing.Optional[typing.Union[Expr, float]] = Field(
         description="Starting value of an animation.",
     )
 

json-builder/python/pydivkit/div/div_animation_interpolator.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivAnimationInterpolator(str, enum.Enum):

json-builder/python/pydivkit/div/div_appearance_set_transition.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_appearance_transition
 
@@ -16,16 +16,18 @@ class DivAppearanceSetTransition(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[div_appearance_transition.DivAppearanceTransition],
         type: str = "set",
+        items: typing.Optional[typing.Sequence[div_appearance_transition.DivAppearanceTransition]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             items=items,
+            **kwargs,
         )
 
     type: str = Field(default="set")
-    items: typing.List[div_appearance_transition.DivAppearanceTransition] = Field(
+    items: typing.Sequence[div_appearance_transition.DivAppearanceTransition] = Field(
         min_items=1, 
         description="An array of animations.",
     )

json-builder/python/pydivkit/div/div_appearance_transition.py

@@ -7,7 +7,7 @@ import enum
 import typing
 from typing import Union
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_appearance_set_transition, div_fade_transition, div_scale_transition,

json-builder/python/pydivkit/div/div_aspect.py

@@ -6,23 +6,25 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
-# Size with a fixed aspect ratio. It counts height from width and ignores other
-# specified height values.
+# Fixed aspect ratio. The element's height is calculated based on the width,
+# ignoring the `height` value.
 class DivAspect(BaseDiv):
 
     def __init__(
         self, *,
-        ratio: float,
+        ratio: typing.Optional[typing.Union[Expr, float]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             ratio=ratio,
+            **kwargs,
         )
 
-    ratio: float = Field(
-        description="`ratio = width / height`.",
+    ratio: typing.Union[Expr, float] = Field(
+        description="`height = width / ratio`.",
     )
 
 

json-builder/python/pydivkit/div/div_background.py

@@ -7,7 +7,7 @@ import enum
 import typing
 from typing import Union
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_image_background, div_linear_gradient, div_nine_patch_background,

json-builder/python/pydivkit/div/div_base.py

@@ -6,14 +6,14 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_appearance_transition, div_background,
-    div_border, div_change_transition, div_edge_insets, div_extension,
-    div_focus, div_size, div_tooltip, div_transform, div_transition_trigger,
-    div_visibility, div_visibility_action,
+    div_border, div_change_transition, div_disappear_action, div_edge_insets,
+    div_extension, div_focus, div_size, div_tooltip, div_transform,
+    div_transition_trigger, div_visibility, div_visibility_action,
 )
 
 
@@ -22,30 +22,32 @@ class DivBase(BaseDiv):
     def __init__(
         self, *,
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        row_span: typing.Optional[int] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             accessibility=accessibility,
@@ -55,6 +57,7 @@ class DivBase(BaseDiv):
             background=background,
             border=border,
             column_span=column_span,
+            disappear_actions=disappear_actions,
             extensions=extensions,
             focus=focus,
             height=height,
@@ -73,42 +76,47 @@ class DivBase(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -128,7 +136,7 @@ class DivBase(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
@@ -141,20 +149,20 @@ class DivBase(BaseDiv):
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -164,9 +172,8 @@ class DivBase(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -190,14 +197,14 @@ class DivBase(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -206,7 +213,7 @@ class DivBase(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_blend_mode.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivBlendMode(str, enum.Enum):

json-builder/python/pydivkit/div/div_blur.py

@@ -0,0 +1,36 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+
+# Gaussian image blur.
+class DivBlur(BaseDiv):
+
+    def __init__(
+        self, *,
+        type: str = "blur",
+        radius: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            type=type,
+            radius=radius,
+            **kwargs,
+        )
+
+    type: str = Field(default="blur")
+    radius: typing.Union[Expr, int] = Field(
+        description=(
+            "Blur radius. Defines how many pixels blend into each other. "
+            "Specified in: `dp`."
+        ),
+    )
+
+
+DivBlur.update_forward_refs()

json-builder/python/pydivkit/div/div_border.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_corners_radius, div_shadow, div_stroke
 
@@ -16,11 +16,12 @@ class DivBorder(BaseDiv):
 
     def __init__(
         self, *,
-        corner_radius: typing.Optional[int] = None,
+        corner_radius: typing.Optional[typing.Union[Expr, int]] = None,
         corners_radius: typing.Optional[div_corners_radius.DivCornersRadius] = None,
-        has_shadow: typing.Optional[bool] = None,
+        has_shadow: typing.Optional[typing.Union[Expr, bool]] = None,
         shadow: typing.Optional[div_shadow.DivShadow] = None,
         stroke: typing.Optional[div_stroke.DivStroke] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             corner_radius=corner_radius,
@@ -28,9 +29,10 @@ class DivBorder(BaseDiv):
             has_shadow=has_shadow,
             shadow=shadow,
             stroke=stroke,
+            **kwargs,
         )
 
-    corner_radius: typing.Optional[int] = Field(
+    corner_radius: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "One radius of element and stroke corner rounding. Has a "
             "lower priority than`corners_radius`."
@@ -39,7 +41,7 @@ class DivBorder(BaseDiv):
     corners_radius: typing.Optional[div_corners_radius.DivCornersRadius] = Field(
         description="Multiple radii of element and stroke corner rounding.",
     )
-    has_shadow: typing.Optional[bool] = Field(
+    has_shadow: typing.Optional[typing.Union[Expr, bool]] = Field(
         description="Adding shadow.",
     )
     shadow: typing.Optional[div_shadow.DivShadow] = Field(

json-builder/python/pydivkit/div/div_change_bounds_transition.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_animation_interpolator
 
@@ -17,25 +17,27 @@ class DivChangeBoundsTransition(BaseDiv):
     def __init__(
         self, *,
         type: str = "change_bounds",
-        duration: typing.Optional[int] = None,
-        interpolator: typing.Optional[div_animation_interpolator.DivAnimationInterpolator] = None,
-        start_delay: typing.Optional[int] = None,
+        duration: typing.Optional[typing.Union[Expr, int]] = None,
+        interpolator: typing.Optional[typing.Union[Expr, div_animation_interpolator.DivAnimationInterpolator]] = None,
+        start_delay: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             duration=duration,
             interpolator=interpolator,
             start_delay=start_delay,
+            **kwargs,
         )
 
     type: str = Field(default="change_bounds")
-    duration: typing.Optional[int] = Field(
+    duration: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Animation duration in milliseconds.",
     )
-    interpolator: typing.Optional[div_animation_interpolator.DivAnimationInterpolator] = Field(
+    interpolator: typing.Optional[typing.Union[Expr, div_animation_interpolator.DivAnimationInterpolator]] = Field(
         description="Transition speed nature.",
     )
-    start_delay: typing.Optional[int] = Field(
+    start_delay: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Delay in milliseconds before animation starts.",
     )
 

json-builder/python/pydivkit/div/div_change_set_transition.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_change_transition
 
@@ -16,16 +16,18 @@ class DivChangeSetTransition(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[div_change_transition.DivChangeTransition],
         type: str = "set",
+        items: typing.Optional[typing.Sequence[div_change_transition.DivChangeTransition]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             items=items,
+            **kwargs,
         )
 
     type: str = Field(default="set")
-    items: typing.List[div_change_transition.DivChangeTransition] = Field(
+    items: typing.Sequence[div_change_transition.DivChangeTransition] = Field(
         min_items=1, 
         description="List of animations.",
     )

json-builder/python/pydivkit/div/div_change_transition.py

@@ -7,7 +7,7 @@ import enum
 import typing
 from typing import Union
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_change_bounds_transition, div_change_set_transition
 

json-builder/python/pydivkit/div/div_circle_shape.py

@@ -6,28 +6,41 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
-from . import div_fixed_size
+from . import div_fixed_size, div_stroke
 
 
-# A circle.
+# Circle.
 class DivCircleShape(BaseDiv):
 
     def __init__(
         self, *,
         type: str = "circle",
+        background_color: typing.Optional[typing.Union[Expr, str]] = None,
         radius: typing.Optional[div_fixed_size.DivFixedSize] = None,
+        stroke: typing.Optional[div_stroke.DivStroke] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
+            background_color=background_color,
             radius=radius,
+            stroke=stroke,
+            **kwargs,
         )
 
     type: str = Field(default="circle")
+    background_color: typing.Optional[typing.Union[Expr, str]] = Field(
+        format="color", 
+        description="Fill color.",
+    )
     radius: typing.Optional[div_fixed_size.DivFixedSize] = Field(
         description="Radius.",
     )
+    stroke: typing.Optional[div_stroke.DivStroke] = Field(
+        description="Stroke style.",
+    )
 
 
 DivCircleShape.update_forward_refs()

json-builder/python/pydivkit/div/div_container.py

@@ -6,15 +6,15 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div, div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_animation, div_appearance_transition,
-    div_background, div_border, div_change_transition, div_drawable,
-    div_edge_insets, div_extension, div_focus, div_size, div_tooltip,
-    div_transform, div_transition_trigger, div_visibility,
-    div_visibility_action,
+    div_aspect, div_background, div_border, div_change_transition,
+    div_disappear_action, div_drawable, div_edge_insets, div_extension,
+    div_focus, div_size, div_tooltip, div_transform, div_transition_trigger,
+    div_visibility, div_visibility_action,
 )
 
 
@@ -25,44 +25,47 @@ class DivContainer(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[div.Div],
         type: str = "container",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
         action: typing.Optional[div_action.DivAction] = None,
         action_animation: typing.Optional[div_animation.DivAnimation] = None,
-        actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        aspect: typing.Optional[div_aspect.DivAspect] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
-        layout_mode: typing.Optional[DivContainerLayoutMode] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        items: typing.Optional[typing.Sequence[div.Div]] = None,
+        layout_mode: typing.Optional[typing.Union[Expr, DivContainerLayoutMode]] = None,
         line_separator: typing.Optional[DivContainerSeparator] = None,
-        longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
+        longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        orientation: typing.Optional[DivContainerOrientation] = None,
+        orientation: typing.Optional[typing.Union[Expr, DivContainerOrientation]] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        row_span: typing.Optional[int] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
         separator: typing.Optional[DivContainerSeparator] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -73,11 +76,13 @@ class DivContainer(BaseDiv):
             alignment_horizontal=alignment_horizontal,
             alignment_vertical=alignment_vertical,
             alpha=alpha,
+            aspect=aspect,
             background=background,
             border=border,
             column_span=column_span,
             content_alignment_horizontal=content_alignment_horizontal,
             content_alignment_vertical=content_alignment_vertical,
+            disappear_actions=disappear_actions,
             doubletap_actions=doubletap_actions,
             extensions=extensions,
             focus=focus,
@@ -103,11 +108,12 @@ class DivContainer(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="container")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
     action: typing.Optional[div_action.DivAction] = Field(
         description=(
@@ -117,65 +123,78 @@ class DivContainer(BaseDiv):
     )
     action_animation: typing.Optional[div_animation.DivAnimation] = Field(
         description=(
-            "Action animation. Web supports `fade`, `scale` and `set` "
-            "only."
+            "Click animation. The web only supports the following "
+            "values: `fade`, `scale`,`native`, `no_animation` and `set`."
         ),
     )
-    actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Multiple actions when clicking on an element.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    aspect: typing.Optional[div_aspect.DivAspect] = Field(
+        description=(
+            "Fixed aspect ratio of the container. The element\'s height "
+            "is calculated based onthe width, ignoring the `height` "
+            "parameter\'s value. On the web, support for "
+            "the`aspect-ratio` CSS property is required to use this "
+            "parameter."
+        ),
+    )
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
-            "Default alignment of elements. Not used if the "
-            "`alignment_horizontal` parameteris set from the element "
-            "field."
+            "Horizontal element alignment. For child elements, it can be "
+            "redefined using the`alignment_horizontal` property."
         ),
     )
-    content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
-            "Default alignment of elements. `baseline` value aligns "
-            "elements having their ownbaseline along this baseline. "
-            "Other elements are aligned by top side in thiscase. Not "
-            "used if the `alignment_vertical` parameter is set from the "
-            "elementfield."
+            "Vertical element alignment. The `baseline` value aligns "
+            "elements along their ownspecified baseline (for text and "
+            "other elements that have a baseline). Elementsthat don\'t "
+            "have their baseline value specified are aligned along the "
+            "top edge.For child elements, it can be redefined using the "
+            "`alignment_vertical` property."
         ),
     )
-    doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Action when double-clicking on an element.",
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -195,45 +214,46 @@ class DivContainer(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    items: typing.List[div.Div] = Field(
+    items: typing.Sequence[div.Div] = Field(
         min_items=1, 
         description="Nested elements.",
     )
-    layout_mode: typing.Optional[DivContainerLayoutMode] = Field(
+    layout_mode: typing.Optional[typing.Union[Expr, DivContainerLayoutMode]] = Field(
         description=(
-            "Method of placing elements. `wrap` value includes the "
-            "transfer of elements to thenext line if they did not fit in "
-            "the previous one. If the value is set to `wrap`,then a "
-            "separate line will be allocated for all elements with a "
-            "size value of`match_parent` along the main axis. If the "
-            "value is set to `wrap`, then elementswith a size value of "
-            "`match_parent` along the cross axis will be ignored."
+            "Element placement method. The `wrap` value transfers "
+            "elements to the next line ifthey don\'t fit in the previous "
+            "one. If the `wrap` value is set:A separate line isallocated "
+            "for each element along the main axis with the size value "
+            "set to`match_parent`.Elements along the cross axis with the "
+            "size value `match_parent`are ignored."
         ),
     )
     line_separator: typing.Optional[DivContainerSeparator] = Field(
         description=(
             "Separator between elements along the cross axis. Not used "
-            "if the `layout_mode`parameter has the value `no_wrap\'."
+            "if the `layout_mode`parameter is set to `no_wrap`. Only new "
+            "browsers are supported on the web (the`gap` property must "
+            "be supported for flex blocks)."
         ),
     )
-    longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
-            "Action when long-clicking on an element. Doesn\'t work on "
-            "the devices w/o touchgestures."
+            "Action when long-clicking an element. Doesn\'t work on "
+            "devices that don\'t supporttouch gestures."
         ),
     )
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="External margins from the element stroke.",
     )
-    orientation: typing.Optional[DivContainerOrientation] = Field(
+    orientation: typing.Optional[typing.Union[Expr, DivContainerOrientation]] = Field(
         description=(
             "Location of elements. `overlap` value overlays elements on "
             "top of each other inthe order of enumeration. The lowest is "
@@ -243,13 +263,13 @@ class DivContainer(BaseDiv):
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
@@ -259,10 +279,12 @@ class DivContainer(BaseDiv):
     separator: typing.Optional[DivContainerSeparator] = Field(
         description=(
             "Separator between elements along the main axis. Not used if "
-            "the `orientation`parameter has the value `overlap\'."
+            "the `orientation`parameter is set to `overlap`. Only new "
+            "browsers are supported on the web (the`gap` property must "
+            "be supported for flex blocks)."
         ),
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -272,9 +294,8 @@ class DivContainer(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -298,14 +319,14 @@ class DivContainer(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -314,7 +335,7 @@ class DivContainer(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )
@@ -338,29 +359,31 @@ class DivContainerSeparator(BaseDiv):
 
     def __init__(
         self, *,
-        style: div_drawable.DivDrawable,
-        show_at_end: typing.Optional[bool] = None,
-        show_at_start: typing.Optional[bool] = None,
-        show_between: typing.Optional[bool] = None,
+        show_at_end: typing.Optional[typing.Union[Expr, bool]] = None,
+        show_at_start: typing.Optional[typing.Union[Expr, bool]] = None,
+        show_between: typing.Optional[typing.Union[Expr, bool]] = None,
+        style: typing.Optional[div_drawable.DivDrawable] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             show_at_end=show_at_end,
             show_at_start=show_at_start,
             show_between=show_between,
             style=style,
+            **kwargs,
         )
 
-    show_at_end: typing.Optional[bool] = Field(
-        description="Enables showing of separator after the last item.",
+    show_at_end: typing.Optional[typing.Union[Expr, bool]] = Field(
+        description="Enables displaying the separator after the last item.",
     )
-    show_at_start: typing.Optional[bool] = Field(
-        description="Enables showing of separator before the first item.",
+    show_at_start: typing.Optional[typing.Union[Expr, bool]] = Field(
+        description="Enables displaying the separator before the first item.",
     )
-    show_between: typing.Optional[bool] = Field(
-        description="Enables showing of separator between items.",
+    show_between: typing.Optional[typing.Union[Expr, bool]] = Field(
+        description="Enables displaying the separator between items.",
     )
     style: div_drawable.DivDrawable = Field(
-        description="Style of the separator.",
+        description="Separator style.",
     )
 
 

json-builder/python/pydivkit/div/div_corners_radius.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # Sets corner rounding.
@@ -14,19 +14,21 @@ class DivCornersRadius(BaseDiv):
 
     def __init__(
         self, *,
-        bottom_left: typing.Optional[int] = None,
-        bottom_right: typing.Optional[int] = None,
-        top_left: typing.Optional[int] = None,
-        top_right: typing.Optional[int] = None,
+        bottom_left: typing.Optional[typing.Union[Expr, int]] = None,
+        bottom_right: typing.Optional[typing.Union[Expr, int]] = None,
+        top_left: typing.Optional[typing.Union[Expr, int]] = None,
+        top_right: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             bottom_left=bottom_left,
             bottom_right=bottom_right,
             top_left=top_left,
             top_right=top_right,
+            **kwargs,
         )
 
-    bottom_left: typing.Optional[int] = Field(
+    bottom_left: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Rounding radius of a lower left corner. If not specified, "
             "then `corner_radius` isused."
@@ -34,7 +36,7 @@ class DivCornersRadius(BaseDiv):
         , 
         name="bottom-left",
     )
-    bottom_right: typing.Optional[int] = Field(
+    bottom_right: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Rounding radius of a lower right corner. If not specified, "
             "then `corner_radius`is used."
@@ -42,7 +44,7 @@ class DivCornersRadius(BaseDiv):
         , 
         name="bottom-right",
     )
-    top_left: typing.Optional[int] = Field(
+    top_left: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Rounding radius of an upper left corner. If not specified, "
             "then `corner_radius`is used."
@@ -50,7 +52,7 @@ class DivCornersRadius(BaseDiv):
         , 
         name="top-left",
     )
-    top_right: typing.Optional[int] = Field(
+    top_right: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Rounding radius of an upper right corner. If not specified, "
             "then `corner_radius`is used."

json-builder/python/pydivkit/div/div_count.py

@@ -7,7 +7,7 @@ import enum
 import typing
 from typing import Union
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_fixed_count, div_infinity_count
 

json-builder/python/pydivkit/div/div_currency_input_mask.py

@@ -0,0 +1,45 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+
+# Mask for entering currency in the specified regional format.
+class DivCurrencyInputMask(BaseDiv):
+
+    def __init__(
+        self, *,
+        type: str = "currency",
+        locale: typing.Optional[typing.Union[Expr, str]] = None,
+        raw_text_variable: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            type=type,
+            locale=locale,
+            raw_text_variable=raw_text_variable,
+            **kwargs,
+        )
+
+    type: str = Field(default="currency")
+    locale: typing.Optional[typing.Union[Expr, str]] = Field(
+        min_length=1, 
+        description=(
+            "Language tag that the currency format should match, as per "
+            "[IETF "
+            "BCP47](https://en.wikipedia.org/wiki/IETF_language_tag). If "
+            "the language is not set,it is defined automatically."
+        ),
+    )
+    raw_text_variable: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Name of the variable to store the unprocessed value.",
+    )
+
+
+DivCurrencyInputMask.update_forward_refs()

json-builder/python/pydivkit/div/div_custom.py

@@ -6,14 +6,14 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div, div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_appearance_transition, div_background,
-    div_border, div_change_transition, div_edge_insets, div_extension,
-    div_focus, div_size, div_tooltip, div_transform, div_transition_trigger,
-    div_visibility, div_visibility_action,
+    div_border, div_change_transition, div_disappear_action, div_edge_insets,
+    div_extension, div_focus, div_size, div_tooltip, div_transform,
+    div_transition_trigger, div_visibility, div_visibility_action,
 )
 
 
@@ -23,35 +23,37 @@ class DivCustom(BaseDiv):
 
     def __init__(
         self, *,
-        custom_type: str,
         type: str = "custom",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
         custom_props: typing.Optional[typing.Dict[str, typing.Any]] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        custom_type: typing.Optional[typing.Union[Expr, str]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
-        items: typing.Optional[typing.List[div.Div]] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        items: typing.Optional[typing.Sequence[div.Div]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        row_span: typing.Optional[int] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -64,6 +66,7 @@ class DivCustom(BaseDiv):
             column_span=column_span,
             custom_props=custom_props,
             custom_type=custom_type,
+            disappear_actions=disappear_actions,
             extensions=extensions,
             focus=focus,
             height=height,
@@ -83,37 +86,38 @@ class DivCustom(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="custom")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
@@ -122,10 +126,14 @@ class DivCustom(BaseDiv):
     custom_props: typing.Optional[typing.Dict[str, typing.Any]] = Field(
         description="Element data for a host application.",
     )
-    custom_type: str = Field(
+    custom_type: typing.Union[Expr, str] = Field(
         description="Subtype of an element for a host application.",
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -145,14 +153,14 @@ class DivCustom(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    items: typing.Optional[typing.List[div.Div]] = Field(
+    items: typing.Optional[typing.Sequence[div.Div]] = Field(
         min_items=1, 
         description="Nested elements.",
     )
@@ -162,20 +170,20 @@ class DivCustom(BaseDiv):
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -185,9 +193,8 @@ class DivCustom(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -211,14 +218,14 @@ class DivCustom(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -227,7 +234,7 @@ class DivCustom(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_data.py

@@ -6,9 +6,9 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
-from . import div, div_transition_selector, div_trigger, div_variable
+from . import div, div_timer, div_transition_selector, div_trigger, div_variable
 
 
 # Root structure.
@@ -16,25 +16,29 @@ class DivData(BaseDiv):
 
     def __init__(
         self, *,
-        log_id: str,
-        states: typing.List[DivDataState],
-        transition_animation_selector: typing.Optional[div_transition_selector.DivTransitionSelector] = None,
-        variable_triggers: typing.Optional[typing.List[div_trigger.DivTrigger]] = None,
-        variables: typing.Optional[typing.List[div_variable.DivVariable]] = None,
+        log_id: typing.Optional[typing.Union[Expr, str]] = None,
+        states: typing.Optional[typing.Sequence[DivDataState]] = None,
+        timers: typing.Optional[typing.Sequence[div_timer.DivTimer]] = None,
+        transition_animation_selector: typing.Optional[typing.Union[Expr, div_transition_selector.DivTransitionSelector]] = None,
+        variable_triggers: typing.Optional[typing.Sequence[div_trigger.DivTrigger]] = None,
+        variables: typing.Optional[typing.Sequence[div_variable.DivVariable]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             log_id=log_id,
             states=states,
+            timers=timers,
             transition_animation_selector=transition_animation_selector,
             variable_triggers=variable_triggers,
             variables=variables,
+            **kwargs,
         )
 
-    log_id: str = Field(
+    log_id: typing.Union[Expr, str] = Field(
         min_length=1, 
         description="Logging ID.",
     )
-    states: typing.List[DivDataState] = Field(
+    states: typing.Sequence[DivDataState] = Field(
         min_items=1, 
         description=(
             "A set of visual element states. Each element can have a few "
@@ -43,14 +47,18 @@ class DivData(BaseDiv):
             "using[action](div-action.md)."
         ),
     )
-    transition_animation_selector: typing.Optional[div_transition_selector.DivTransitionSelector] = Field(
+    timers: typing.Optional[typing.Sequence[div_timer.DivTimer]] = Field(
+        min_items=1, 
+        description="List of timers.",
+    )
+    transition_animation_selector: typing.Optional[typing.Union[Expr, div_transition_selector.DivTransitionSelector]] = Field(
         description="Events that trigger transition animations. @deprecated",
     )
-    variable_triggers: typing.Optional[typing.List[div_trigger.DivTrigger]] = Field(
+    variable_triggers: typing.Optional[typing.Sequence[div_trigger.DivTrigger]] = Field(
         min_items=1, 
         description="Triggers for changing variables.",
     )
-    variables: typing.Optional[typing.List[div_variable.DivVariable]] = Field(
+    variables: typing.Optional[typing.Sequence[div_variable.DivVariable]] = Field(
         min_items=1, 
         description="Declaration of variables that can be used in an element.",
     )
@@ -60,18 +68,20 @@ class DivDataState(BaseDiv):
 
     def __init__(
         self, *,
-        div: div.Div,
-        state_id: int,
+        div: typing.Optional[div.Div] = None,
+        state_id: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             div=div,
             state_id=state_id,
+            **kwargs,
         )
 
     div: div.Div = Field(
         description="Contents.",
     )
-    state_id: int = Field(
+    state_id: typing.Union[Expr, int] = Field(
         description="State ID.",
     )
 

json-builder/python/pydivkit/div/div_default_indicator_item_placement.py

@@ -0,0 +1,35 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+from . import div_fixed_size
+
+
+# Element size adjusts to a parent element.
+class DivDefaultIndicatorItemPlacement(BaseDiv):
+
+    def __init__(
+        self, *,
+        type: str = "default",
+        space_between_centers: typing.Optional[div_fixed_size.DivFixedSize] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            type=type,
+            space_between_centers=space_between_centers,
+            **kwargs,
+        )
+
+    type: str = Field(default="default")
+    space_between_centers: typing.Optional[div_fixed_size.DivFixedSize] = Field(
+        description="Spacing between indicator centers.",
+    )
+
+
+DivDefaultIndicatorItemPlacement.update_forward_refs()

json-builder/python/pydivkit/div/div_dimension.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_size_unit
 
@@ -16,17 +16,19 @@ class DivDimension(BaseDiv):
 
     def __init__(
         self, *,
-        value: float,
-        unit: typing.Optional[div_size_unit.DivSizeUnit] = None,
+        unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = None,
+        value: typing.Optional[typing.Union[Expr, float]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             unit=unit,
             value=value,
+            **kwargs,
         )
 
-    unit: typing.Optional[div_size_unit.DivSizeUnit] = Field(
+    unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = Field(
     )
-    value: float = Field(
+    value: typing.Union[Expr, float] = Field(
         description="Value.",
     )
 

json-builder/python/pydivkit/div/div_disappear_action.py

@@ -0,0 +1,86 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+from . import div_download_callbacks
+
+
+# Actions performed when an element becomes invisible.
+class DivDisappearAction(BaseDiv):
+
+    def __init__(
+        self, *,
+        disappear_duration: typing.Optional[typing.Union[Expr, int]] = None,
+        download_callbacks: typing.Optional[div_download_callbacks.DivDownloadCallbacks] = None,
+        log_id: typing.Optional[typing.Union[Expr, str]] = None,
+        log_limit: typing.Optional[typing.Union[Expr, int]] = None,
+        payload: typing.Optional[typing.Dict[str, typing.Any]] = None,
+        referer: typing.Optional[typing.Union[Expr, str]] = None,
+        url: typing.Optional[typing.Union[Expr, str]] = None,
+        visibility_percentage: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            disappear_duration=disappear_duration,
+            download_callbacks=download_callbacks,
+            log_id=log_id,
+            log_limit=log_limit,
+            payload=payload,
+            referer=referer,
+            url=url,
+            visibility_percentage=visibility_percentage,
+            **kwargs,
+        )
+
+    disappear_duration: typing.Optional[typing.Union[Expr, int]] = Field(
+        description=(
+            "Time in milliseconds during which an element must be "
+            "invisible to trigger`disappear-action`."
+        ),
+    )
+    download_callbacks: typing.Optional[div_download_callbacks.DivDownloadCallbacks] = Field(
+        description=(
+            "Callbacks that are called after "
+            "[dataloading](../../interaction.dita#loading-data)."
+        ),
+    )
+    log_id: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Logging ID.",
+    )
+    log_limit: typing.Optional[typing.Union[Expr, int]] = Field(
+        description=(
+            "Limit on the number of loggings. If `0`, the limit is "
+            "removed."
+        ),
+    )
+    payload: typing.Optional[typing.Dict[str, typing.Any]] = Field(
+        description="Additional parameters, passed to the host application.",
+    )
+    referer: typing.Optional[typing.Union[Expr, str]] = Field(
+        format="uri", 
+        description="Referer URL for logging.",
+    )
+    url: typing.Optional[typing.Union[Expr, str]] = Field(
+        format="uri", 
+        description=(
+            "URL. Possible values: `url` or `div-action://`. To learn "
+            "more, see [Interactionwith "
+            "elements](../../interaction.dita)."
+        ),
+    )
+    visibility_percentage: typing.Optional[typing.Union[Expr, int]] = Field(
+        description=(
+            "Percentage of the visible part of an element that triggers "
+            "`disappear-action`."
+        ),
+    )
+
+
+DivDisappearAction.update_forward_refs()

json-builder/python/pydivkit/div/div_download_callbacks.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_action
 
@@ -17,22 +17,24 @@ class DivDownloadCallbacks(BaseDiv):
 
     def __init__(
         self, *,
-        on_fail_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        on_success_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
+        on_fail_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        on_success_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             on_fail_actions=on_fail_actions,
             on_success_actions=on_success_actions,
+            **kwargs,
         )
 
-    on_fail_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    on_fail_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "Actions in case of unsuccessful loading if the host "
             "reported it or the waitingtime expired."
         ),
     )
-    on_success_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    on_success_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Actions in case of successful loading.",
     )

json-builder/python/pydivkit/div/div_drawable.py

@@ -7,7 +7,7 @@ import enum
 import typing
 from typing import Union
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_shape_drawable
 

json-builder/python/pydivkit/div/div_edge_insets.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_size_unit
 
@@ -16,11 +16,12 @@ class DivEdgeInsets(BaseDiv):
 
     def __init__(
         self, *,
-        bottom: typing.Optional[int] = None,
-        left: typing.Optional[int] = None,
-        right: typing.Optional[int] = None,
-        top: typing.Optional[int] = None,
-        unit: typing.Optional[div_size_unit.DivSizeUnit] = None,
+        bottom: typing.Optional[typing.Union[Expr, int]] = None,
+        left: typing.Optional[typing.Union[Expr, int]] = None,
+        right: typing.Optional[typing.Union[Expr, int]] = None,
+        top: typing.Optional[typing.Union[Expr, int]] = None,
+        unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             bottom=bottom,
@@ -28,21 +29,22 @@ class DivEdgeInsets(BaseDiv):
             right=right,
             top=top,
             unit=unit,
+            **kwargs,
         )
 
-    bottom: typing.Optional[int] = Field(
+    bottom: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Bottom margin.",
     )
-    left: typing.Optional[int] = Field(
+    left: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Left margin.",
     )
-    right: typing.Optional[int] = Field(
+    right: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Right margin.",
     )
-    top: typing.Optional[int] = Field(
+    top: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Top margin.",
     )
-    unit: typing.Optional[div_size_unit.DivSizeUnit] = Field(
+    unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = Field(
     )
 
 

json-builder/python/pydivkit/div/div_extension.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # Extension that affects an element.
@@ -14,15 +14,17 @@ class DivExtension(BaseDiv):
 
     def __init__(
         self, *,
-        id: str,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
         params: typing.Optional[typing.Dict[str, typing.Any]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             id=id,
             params=params,
+            **kwargs,
         )
 
-    id: str = Field(
+    id: typing.Union[Expr, str] = Field(
         min_length=1, 
         description="Extension ID.",
     )

json-builder/python/pydivkit/div/div_fade_transition.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_animation_interpolator
 
@@ -17,10 +17,11 @@ class DivFadeTransition(BaseDiv):
     def __init__(
         self, *,
         type: str = "fade",
-        alpha: typing.Optional[float] = None,
-        duration: typing.Optional[int] = None,
-        interpolator: typing.Optional[div_animation_interpolator.DivAnimationInterpolator] = None,
-        start_delay: typing.Optional[int] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        duration: typing.Optional[typing.Union[Expr, int]] = None,
+        interpolator: typing.Optional[typing.Union[Expr, div_animation_interpolator.DivAnimationInterpolator]] = None,
+        start_delay: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -28,22 +29,23 @@ class DivFadeTransition(BaseDiv):
             duration=duration,
             interpolator=interpolator,
             start_delay=start_delay,
+            **kwargs,
         )
 
     type: str = Field(default="fade")
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Value of the alpha channel which the element starts "
             "appearing from or at which itfinishes disappearing."
         ),
     )
-    duration: typing.Optional[int] = Field(
+    duration: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Animation duration in milliseconds.",
     )
-    interpolator: typing.Optional[div_animation_interpolator.DivAnimationInterpolator] = Field(
+    interpolator: typing.Optional[typing.Union[Expr, div_animation_interpolator.DivAnimationInterpolator]] = Field(
         description="Transition speed nature.",
     )
-    start_delay: typing.Optional[int] = Field(
+    start_delay: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Delay in milliseconds before animation starts.",
     )
 

json-builder/python/pydivkit/div/div_filter.py

@@ -0,0 +1,17 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+from typing import Union
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+from . import div_blur
+
+
+DivFilter = Union[
+    div_blur.DivBlur,
+]

json-builder/python/pydivkit/div/div_fixed_count.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # Fixed number of repetitions.
@@ -14,16 +14,18 @@ class DivFixedCount(BaseDiv):
 
     def __init__(
         self, *,
-        value: int,
         type: str = "fixed",
+        value: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             value=value,
+            **kwargs,
         )
 
     type: str = Field(default="fixed")
-    value: int = Field(
+    value: typing.Union[Expr, int] = Field(
         description="Number of repetitions.",
     )
 

json-builder/python/pydivkit/div/div_fixed_length_input_mask.py

@@ -0,0 +1,104 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+
+# Mask for entering text with a fixed number of characters.
+class DivFixedLengthInputMask(BaseDiv):
+
+    def __init__(
+        self, *,
+        type: str = "fixed_length",
+        always_visible: typing.Optional[typing.Union[Expr, bool]] = None,
+        pattern: typing.Optional[typing.Union[Expr, str]] = None,
+        pattern_elements: typing.Optional[typing.Sequence[DivFixedLengthInputMaskPatternElement]] = None,
+        raw_text_variable: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            type=type,
+            always_visible=always_visible,
+            pattern=pattern,
+            pattern_elements=pattern_elements,
+            raw_text_variable=raw_text_variable,
+            **kwargs,
+        )
+
+    type: str = Field(default="fixed_length")
+    always_visible: typing.Optional[typing.Union[Expr, bool]] = Field(
+        description=(
+            "If this option is enabled, the text field contains the mask "
+            "before being filledin."
+        ),
+    )
+    pattern: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description=(
+            "String that sets the text input template. For example, the "
+            "`+7 (###) ###-##-#`template for a phone number."
+        ),
+    )
+    pattern_elements: typing.Sequence[DivFixedLengthInputMaskPatternElement] = Field(
+        min_items=1, 
+        description=(
+            "Template decoding is a description of the characters that "
+            "will be replaced withuser input."
+        ),
+    )
+    raw_text_variable: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Name of the variable to store the unprocessed value.",
+    )
+
+
+# Template decoding is a description of the characters that will be replaced with
+# user input.
+class DivFixedLengthInputMaskPatternElement(BaseDiv):
+
+    def __init__(
+        self, *,
+        key: typing.Optional[typing.Union[Expr, str]] = None,
+        placeholder: typing.Optional[typing.Union[Expr, str]] = None,
+        regex: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            key=key,
+            placeholder=placeholder,
+            regex=regex,
+            **kwargs,
+        )
+
+    key: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description=(
+            "A character in the template that will be replaced with a "
+            "user-defined character."
+        ),
+    )
+    placeholder: typing.Optional[typing.Union[Expr, str]] = Field(
+        description=(
+            "The character that\'s displayed in the input field where "
+            "the user is expected toenter text. This is used if mask "
+            "display is enabled."
+        ),
+    )
+    regex: typing.Optional[typing.Union[Expr, str]] = Field(
+        min_length=1, 
+        description=(
+            "Regular expression for validating character inputs. For "
+            "example, when a mask isdigit-only."
+        ),
+    )
+
+
+DivFixedLengthInputMaskPatternElement.update_forward_refs()
+
+
+DivFixedLengthInputMask.update_forward_refs()

json-builder/python/pydivkit/div/div_fixed_size.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_size_unit
 
@@ -16,25 +16,27 @@ class DivFixedSize(BaseDiv):
 
     def __init__(
         self, *,
-        value: int,
         type: str = "fixed",
-        unit: typing.Optional[div_size_unit.DivSizeUnit] = None,
+        unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = None,
+        value: typing.Optional[typing.Union[Expr, int]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             unit=unit,
             value=value,
+            **kwargs,
         )
 
     type: str = Field(default="fixed")
-    unit: typing.Optional[div_size_unit.DivSizeUnit] = Field(
+    unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = Field(
         description=(
             "Unit of measurement. To learn more about units of size "
             "measurement, see [Layoutinside the "
             "card](../../layout.dita)."
         ),
     )
-    value: int = Field(
+    value: typing.Union[Expr, int] = Field(
         description="Element size.",
     )
 

json-builder/python/pydivkit/div/div_focus.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_action, div_background, div_border
 
@@ -16,11 +16,12 @@ class DivFocus(BaseDiv):
 
     def __init__(
         self, *,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
         next_focus_ids: typing.Optional[DivFocusNextFocusIds] = None,
-        on_blur: typing.Optional[typing.List[div_action.DivAction]] = None,
-        on_focus: typing.Optional[typing.List[div_action.DivAction]] = None,
+        on_blur: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        on_focus: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             background=background,
@@ -28,9 +29,10 @@ class DivFocus(BaseDiv):
             next_focus_ids=next_focus_ids,
             on_blur=on_blur,
             on_focus=on_focus,
+            **kwargs,
         )
 
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description=(
             "Background of an element when it is in focus. It can "
@@ -38,16 +40,16 @@ class DivFocus(BaseDiv):
         ),
     )
     border: typing.Optional[div_border.DivBorder] = Field(
-        description="Border of an element when it is in focus",
+        description="Border of an element when it\'s in focus.",
     )
     next_focus_ids: typing.Optional[DivFocusNextFocusIds] = Field(
         description="IDs of elements that will be next to get focus.",
     )
-    on_blur: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    on_blur: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Actions when an element loses focus.",
     )
-    on_focus: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    on_focus: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Actions when an element gets focus.",
     )
@@ -58,11 +60,12 @@ class DivFocusNextFocusIds(BaseDiv):
 
     def __init__(
         self, *,
-        down: typing.Optional[str] = None,
-        forward: typing.Optional[str] = None,
-        left: typing.Optional[str] = None,
-        right: typing.Optional[str] = None,
-        up: typing.Optional[str] = None,
+        down: typing.Optional[typing.Union[Expr, str]] = None,
+        forward: typing.Optional[typing.Union[Expr, str]] = None,
+        left: typing.Optional[typing.Union[Expr, str]] = None,
+        right: typing.Optional[typing.Union[Expr, str]] = None,
+        up: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             down=down,
@@ -70,21 +73,22 @@ class DivFocusNextFocusIds(BaseDiv):
             left=left,
             right=right,
             up=up,
+            **kwargs,
         )
 
-    down: typing.Optional[str] = Field(
+    down: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1,
     )
-    forward: typing.Optional[str] = Field(
+    forward: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1,
     )
-    left: typing.Optional[str] = Field(
+    left: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1,
     )
-    right: typing.Optional[str] = Field(
+    right: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1,
     )
-    up: typing.Optional[str] = Field(
+    up: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1,
     )
 

json-builder/python/pydivkit/div/div_font_family.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivFontFamily(str, enum.Enum):

json-builder/python/pydivkit/div/div_font_weight.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivFontWeight(str, enum.Enum):

json-builder/python/pydivkit/div/div_gallery.py

@@ -6,14 +6,14 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div, div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_appearance_transition, div_background,
-    div_border, div_change_transition, div_edge_insets, div_extension,
-    div_focus, div_size, div_tooltip, div_transform, div_transition_trigger,
-    div_visibility, div_visibility_action,
+    div_border, div_change_transition, div_disappear_action, div_edge_insets,
+    div_extension, div_focus, div_size, div_tooltip, div_transform,
+    div_transition_trigger, div_visibility, div_visibility_action,
 )
 
 
@@ -22,41 +22,43 @@ class DivGallery(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[div.Div],
         type: str = "gallery",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_count: typing.Optional[int] = None,
-        column_span: typing.Optional[int] = None,
-        cross_content_alignment: typing.Optional[DivGalleryCrossContentAlignment] = None,
-        cross_spacing: typing.Optional[int] = None,
-        default_item: typing.Optional[int] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_count: typing.Optional[typing.Union[Expr, int]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        cross_content_alignment: typing.Optional[typing.Union[Expr, DivGalleryCrossContentAlignment]] = None,
+        cross_spacing: typing.Optional[typing.Union[Expr, int]] = None,
+        default_item: typing.Optional[typing.Union[Expr, int]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
-        item_spacing: typing.Optional[int] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        item_spacing: typing.Optional[typing.Union[Expr, int]] = None,
+        items: typing.Optional[typing.Sequence[div.Div]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        orientation: typing.Optional[DivGalleryOrientation] = None,
+        orientation: typing.Optional[typing.Union[Expr, DivGalleryOrientation]] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        restrict_parent_scroll: typing.Optional[bool] = None,
-        row_span: typing.Optional[int] = None,
-        scroll_mode: typing.Optional[DivGalleryScrollMode] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        restrict_parent_scroll: typing.Optional[typing.Union[Expr, bool]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        scroll_mode: typing.Optional[typing.Union[Expr, DivGalleryScrollMode]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -71,6 +73,7 @@ class DivGallery(BaseDiv):
             cross_content_alignment=cross_content_alignment,
             cross_spacing=cross_spacing,
             default_item=default_item,
+            disappear_actions=disappear_actions,
             extensions=extensions,
             focus=focus,
             height=height,
@@ -94,46 +97,47 @@ class DivGallery(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="gallery")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_count: typing.Optional[int] = Field(
+    column_count: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Number of columns for block layout.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    cross_content_alignment: typing.Optional[DivGalleryCrossContentAlignment] = Field(
+    cross_content_alignment: typing.Optional[typing.Union[Expr, DivGalleryCrossContentAlignment]] = Field(
         description=(
             "Aligning elements in the direction perpendicular to the "
             "scroll direction. Inhorizontal galleries:`start` — "
@@ -143,13 +147,13 @@ class DivGallery(BaseDiv):
             "card;`center` — to the center;`end` — to the right."
         ),
     )
-    cross_spacing: typing.Optional[int] = Field(
+    cross_spacing: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
-            "Spacing between elements across the scroll axis. Default "
-            "value is `item_spacing`"
+            "Spacing between elements across the scroll axis. By "
+            "default, the value set to`item_spacing`."
         ),
     )
-    default_item: typing.Optional[int] = Field(
+    default_item: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Ordinal number of the gallery element to be scrolled to by "
             "default. For`scroll_mode`:`default` — the scroll position "
@@ -158,7 +162,11 @@ class DivGallery(BaseDiv):
             "to the center of the element."
         ),
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -178,17 +186,17 @@ class DivGallery(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    item_spacing: typing.Optional[int] = Field(
+    item_spacing: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Spacing between elements.",
     )
-    items: typing.List[div.Div] = Field(
+    items: typing.Sequence[div.Div] = Field(
         min_items=1, 
         description=(
             "Gallery elements. Scrolling to elements can be "
@@ -211,38 +219,38 @@ class DivGallery(BaseDiv):
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="External margins from the element stroke.",
     )
-    orientation: typing.Optional[DivGalleryOrientation] = Field(
+    orientation: typing.Optional[typing.Union[Expr, DivGalleryOrientation]] = Field(
         description="Gallery orientation.",
     )
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    restrict_parent_scroll: typing.Optional[bool] = Field(
+    restrict_parent_scroll: typing.Optional[typing.Union[Expr, bool]] = Field(
         description=(
             "If the parameter is enabled, the gallery won\'t transmit "
             "the scroll gesture to theparent element."
         ),
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    scroll_mode: typing.Optional[DivGalleryScrollMode] = Field(
+    scroll_mode: typing.Optional[typing.Union[Expr, DivGalleryScrollMode]] = Field(
         description=(
             "Scroll type: `default` — continuous, `paging` — "
             "page-by-page."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -252,9 +260,8 @@ class DivGallery(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -278,14 +285,14 @@ class DivGallery(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -294,7 +301,7 @@ class DivGallery(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_gif_image.py

@@ -6,15 +6,15 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_animation, div_appearance_transition,
     div_aspect, div_background, div_border, div_change_transition,
-    div_edge_insets, div_extension, div_focus, div_image_scale, div_size,
-    div_tooltip, div_transform, div_transition_trigger, div_visibility,
-    div_visibility_action,
+    div_disappear_action, div_edge_insets, div_extension, div_focus,
+    div_image_scale, div_size, div_tooltip, div_transform,
+    div_transition_trigger, div_visibility, div_visibility_action,
 )
 
 
@@ -23,45 +23,47 @@ class DivGifImage(BaseDiv):
 
     def __init__(
         self, *,
-        gif_url: str,
         type: str = "gif",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
         action: typing.Optional[div_action.DivAction] = None,
         action_animation: typing.Optional[div_animation.DivAnimation] = None,
-        actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
+        actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
         aspect: typing.Optional[div_aspect.DivAspect] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
+        gif_url: typing.Optional[typing.Union[Expr, str]] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
-        longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        placeholder_color: typing.Optional[str] = None,
-        preload_required: typing.Optional[bool] = None,
-        preview: typing.Optional[str] = None,
-        row_span: typing.Optional[int] = None,
-        scale: typing.Optional[div_image_scale.DivImageScale] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        placeholder_color: typing.Optional[typing.Union[Expr, str]] = None,
+        preload_required: typing.Optional[typing.Union[Expr, bool]] = None,
+        preview: typing.Optional[typing.Union[Expr, str]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        scale: typing.Optional[typing.Union[Expr, div_image_scale.DivImageScale]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -78,6 +80,7 @@ class DivGifImage(BaseDiv):
             column_span=column_span,
             content_alignment_horizontal=content_alignment_horizontal,
             content_alignment_vertical=content_alignment_vertical,
+            disappear_actions=disappear_actions,
             doubletap_actions=doubletap_actions,
             extensions=extensions,
             focus=focus,
@@ -103,11 +106,12 @@ class DivGifImage(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="gif")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
     action: typing.Optional[div_action.DivAction] = Field(
         description=(
@@ -117,57 +121,65 @@ class DivGifImage(BaseDiv):
     )
     action_animation: typing.Optional[div_animation.DivAnimation] = Field(
         description=(
-            "Action animation. Web supports `fade`, `scale` and `set` "
-            "only."
+            "Click animation. The web only supports the following "
+            "values: `fade`, `scale`,`native`, `no_animation` and `set`."
         ),
     )
-    actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Multiple actions when clicking on an element.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
     aspect: typing.Optional[div_aspect.DivAspect] = Field(
+        description=(
+            "Fixed aspect ratio. The element\'s height is calculated "
+            "based on the width,ignoring the `height` value."
+        ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description="Horizontal image alignment.",
     )
-    content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description="Vertical image alignment.",
     )
-    doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Action when double-clicking on an element.",
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -178,7 +190,7 @@ class DivGifImage(BaseDiv):
     focus: typing.Optional[div_focus.DivFocus] = Field(
         description="Parameters when focusing on an element or losing focus.",
     )
-    gif_url: str = Field(
+    gif_url: typing.Union[Expr, str] = Field(
         format="uri", 
         description="Direct URL to a GIF image.",
     )
@@ -191,18 +203,18 @@ class DivGifImage(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
-            "Action when long-clicking on an element. Doesn\'t work on "
-            "the devices w/o touchgestures."
+            "Action when long-clicking an element. Doesn\'t work on "
+            "devices that don\'t supporttouch gestures."
         ),
     )
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
@@ -211,14 +223,14 @@ class DivGifImage(BaseDiv):
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    placeholder_color: typing.Optional[str] = Field(
+    placeholder_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
         description="Placeholder background before the image is loaded.",
     )
-    preload_required: typing.Optional[bool] = Field(
+    preload_required: typing.Optional[typing.Union[Expr, bool]] = Field(
         description="Background image must be loaded before the display.",
     )
-    preview: typing.Optional[str] = Field(
+    preview: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Image preview encoded in `base64`. It will be shown instead "
@@ -226,27 +238,27 @@ class DivGifImage(BaseDiv):
             "`data url`:`data:[;base64],<data>`"
         ),
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    scale: typing.Optional[div_image_scale.DivImageScale] = Field(
+    scale: typing.Optional[typing.Union[Expr, div_image_scale.DivImageScale]] = Field(
         description=(
             "Image scaling:`fit` places the entire image into the "
             "element (free space isfilled with background);`fill` scales "
             "the image to the element size and cuts offthe excess."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -256,9 +268,8 @@ class DivGifImage(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -282,14 +293,14 @@ class DivGifImage(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -298,7 +309,7 @@ class DivGifImage(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_grid.py

@@ -6,14 +6,15 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div, div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_animation, div_appearance_transition,
-    div_background, div_border, div_change_transition, div_edge_insets,
-    div_extension, div_focus, div_size, div_tooltip, div_transform,
-    div_transition_trigger, div_visibility, div_visibility_action,
+    div_background, div_border, div_change_transition, div_disappear_action,
+    div_edge_insets, div_extension, div_focus, div_size, div_tooltip,
+    div_transform, div_transition_trigger, div_visibility,
+    div_visibility_action,
 )
 
 
@@ -22,41 +23,43 @@ class DivGrid(BaseDiv):
 
     def __init__(
         self, *,
-        column_count: int,
-        items: typing.List[div.Div],
         type: str = "grid",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
         action: typing.Optional[div_action.DivAction] = None,
         action_animation: typing.Optional[div_animation.DivAnimation] = None,
-        actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_count: typing.Optional[typing.Union[Expr, int]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
-        longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        items: typing.Optional[typing.Sequence[div.Div]] = None,
+        longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        row_span: typing.Optional[int] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -73,6 +76,7 @@ class DivGrid(BaseDiv):
             column_span=column_span,
             content_alignment_horizontal=content_alignment_horizontal,
             content_alignment_vertical=content_alignment_vertical,
+            disappear_actions=disappear_actions,
             doubletap_actions=doubletap_actions,
             extensions=extensions,
             focus=focus,
@@ -94,11 +98,12 @@ class DivGrid(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="grid")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
     action: typing.Optional[div_action.DivAction] = Field(
         description=(
@@ -108,58 +113,62 @@ class DivGrid(BaseDiv):
     )
     action_animation: typing.Optional[div_animation.DivAnimation] = Field(
         description=(
-            "Action animation. Web supports `fade`, `scale` and `set` "
-            "only."
+            "Click animation. The web only supports the following "
+            "values: `fade`, `scale`,`native`, `no_animation` and `set`."
         ),
     )
-    actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Multiple actions when clicking on an element.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_count: int = Field(
+    column_count: typing.Union[Expr, int] = Field(
         description="Number of columns.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description="Horizontal alignment of grid contents.",
     )
-    content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description="Vertical alignment of grid contents.",
     )
-    doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Action when double-clicking on an element.",
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -179,22 +188,22 @@ class DivGrid(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    items: typing.List[div.Div] = Field(
+    items: typing.Sequence[div.Div] = Field(
         min_items=1, 
         description="Contents.",
     )
-    longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
-            "Action when long-clicking on an element. Doesn\'t work on "
-            "the devices w/o touchgestures."
+            "Action when long-clicking an element. Doesn\'t work on "
+            "devices that don\'t supporttouch gestures."
         ),
     )
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
@@ -203,20 +212,20 @@ class DivGrid(BaseDiv):
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -226,9 +235,8 @@ class DivGrid(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -252,14 +260,14 @@ class DivGrid(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -268,7 +276,7 @@ class DivGrid(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_image.py

@@ -6,15 +6,16 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_animation, div_appearance_transition,
     div_aspect, div_background, div_blend_mode, div_border,
-    div_change_transition, div_edge_insets, div_extension, div_fade_transition,
-    div_focus, div_image_scale, div_size, div_tooltip, div_transform,
-    div_transition_trigger, div_visibility, div_visibility_action,
+    div_change_transition, div_disappear_action, div_edge_insets, div_extension,
+    div_fade_transition, div_filter, div_focus, div_image_scale, div_size,
+    div_tooltip, div_transform, div_transition_trigger, div_visibility,
+    div_visibility_action,
 )
 
 
@@ -23,49 +24,52 @@ class DivImage(BaseDiv):
 
     def __init__(
         self, *,
-        image_url: str,
         type: str = "image",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
         action: typing.Optional[div_action.DivAction] = None,
         action_animation: typing.Optional[div_animation.DivAnimation] = None,
-        actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
+        actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
         appearance_animation: typing.Optional[div_fade_transition.DivFadeTransition] = None,
         aspect: typing.Optional[div_aspect.DivAspect] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
+        filters: typing.Optional[typing.Sequence[div_filter.DivFilter]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        high_priority_preview_show: typing.Optional[bool] = None,
-        id: typing.Optional[str] = None,
-        longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
+        high_priority_preview_show: typing.Optional[typing.Union[Expr, bool]] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        image_url: typing.Optional[typing.Union[Expr, str]] = None,
+        longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        placeholder_color: typing.Optional[str] = None,
-        preload_required: typing.Optional[bool] = None,
-        preview: typing.Optional[str] = None,
-        row_span: typing.Optional[int] = None,
-        scale: typing.Optional[div_image_scale.DivImageScale] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        tint_color: typing.Optional[str] = None,
-        tint_mode: typing.Optional[div_blend_mode.DivBlendMode] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        placeholder_color: typing.Optional[typing.Union[Expr, str]] = None,
+        preload_required: typing.Optional[typing.Union[Expr, bool]] = None,
+        preview: typing.Optional[typing.Union[Expr, str]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        scale: typing.Optional[typing.Union[Expr, div_image_scale.DivImageScale]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        tint_color: typing.Optional[typing.Union[Expr, str]] = None,
+        tint_mode: typing.Optional[typing.Union[Expr, div_blend_mode.DivBlendMode]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -83,8 +87,10 @@ class DivImage(BaseDiv):
             column_span=column_span,
             content_alignment_horizontal=content_alignment_horizontal,
             content_alignment_vertical=content_alignment_vertical,
+            disappear_actions=disappear_actions,
             doubletap_actions=doubletap_actions,
             extensions=extensions,
+            filters=filters,
             focus=focus,
             height=height,
             high_priority_preview_show=high_priority_preview_show,
@@ -111,11 +117,12 @@ class DivImage(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="image")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
     action: typing.Optional[div_action.DivAction] = Field(
         description=(
@@ -125,26 +132,26 @@ class DivImage(BaseDiv):
     )
     action_animation: typing.Optional[div_animation.DivAnimation] = Field(
         description=(
-            "Action animation. Web supports `fade`, `scale` and `set` "
-            "only."
+            "Click animation. The web only supports the following "
+            "values: `fade`, `scale`,`native`, `no_animation` and `set`."
         ),
     )
-    actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Multiple actions when clicking on an element.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
@@ -154,31 +161,39 @@ class DivImage(BaseDiv):
         description="Transparency animation when loading an image.",
     )
     aspect: typing.Optional[div_aspect.DivAspect] = Field(
+        description=(
+            "Fixed aspect ratio. The element\'s height is calculated "
+            "based on the width,ignoring the `height` value."
+        ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description="Horizontal image alignment.",
     )
-    content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description="Vertical image alignment.",
     )
-    doubletap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    doubletap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description="Action when double-clicking on an element.",
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -186,6 +201,10 @@ class DivImage(BaseDiv):
             "[DivExtension](../../extensions.dita)."
         ),
     )
+    filters: typing.Optional[typing.Sequence[div_filter.DivFilter]] = Field(
+        min_items=1, 
+        description="Image filters.",
+    )
     focus: typing.Optional[div_focus.DivFocus] = Field(
         description="Parameters when focusing on an element or losing focus.",
     )
@@ -198,7 +217,7 @@ class DivImage(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    high_priority_preview_show: typing.Optional[bool] = Field(
+    high_priority_preview_show: typing.Optional[typing.Union[Expr, bool]] = Field(
         description=(
             "It sets the priority of displaying the preview — the "
             "preview is decoded in themain stream and displayed as the "
@@ -207,22 +226,22 @@ class DivImage(BaseDiv):
             "launch time."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    image_url: str = Field(
+    image_url: typing.Union[Expr, str] = Field(
         format="uri", 
         description="Direct URL to an image.",
     )
-    longtap_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    longtap_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
-            "Action when long-clicking on an element. Doesn\'t work on "
-            "the devices w/o touchgestures."
+            "Action when long-clicking an element. Doesn\'t work on "
+            "devices that don\'t supporttouch gestures."
         ),
     )
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
@@ -231,14 +250,14 @@ class DivImage(BaseDiv):
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    placeholder_color: typing.Optional[str] = Field(
+    placeholder_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
         description="Placeholder background before the image is loaded.",
     )
-    preload_required: typing.Optional[bool] = Field(
+    preload_required: typing.Optional[typing.Union[Expr, bool]] = Field(
         description="Background image must be loaded before the display.",
     )
-    preview: typing.Optional[str] = Field(
+    preview: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Image preview encoded in `base64`. It will be shown instead "
@@ -246,34 +265,34 @@ class DivImage(BaseDiv):
             "`data url`:`data:[;base64],<data>`"
         ),
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    scale: typing.Optional[div_image_scale.DivImageScale] = Field(
+    scale: typing.Optional[typing.Union[Expr, div_image_scale.DivImageScale]] = Field(
         description=(
             "Image scaling:`fit` places the entire image into the "
             "element (free space isfilled with background);`fill` scales "
             "the image to the element size and cuts offthe excess."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    tint_color: typing.Optional[str] = Field(
+    tint_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
         description="New color of a contour image.",
     )
-    tint_mode: typing.Optional[div_blend_mode.DivBlendMode] = Field(
-        description="The blend mode of color specified in tint_color.",
+    tint_mode: typing.Optional[typing.Union[Expr, div_blend_mode.DivBlendMode]] = Field(
+        description="Blend mode of the color specified in `tint_color`.",
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -283,9 +302,8 @@ class DivImage(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -309,14 +327,14 @@ class DivImage(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -325,7 +343,7 @@ class DivImage(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_image_background.py

@@ -6,9 +6,12 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
-from . import div_alignment_horizontal, div_alignment_vertical, div_image_scale
+from . import (
+    div_alignment_horizontal, div_alignment_vertical, div_filter,
+    div_image_scale,
+)
 
 
 # Background image.
@@ -16,42 +19,50 @@ class DivImageBackground(BaseDiv):
 
     def __init__(
         self, *,
-        image_url: str,
         type: str = "image",
-        alpha: typing.Optional[float] = None,
-        content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        preload_required: typing.Optional[bool] = None,
-        scale: typing.Optional[div_image_scale.DivImageScale] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        filters: typing.Optional[typing.Sequence[div_filter.DivFilter]] = None,
+        image_url: typing.Optional[typing.Union[Expr, str]] = None,
+        preload_required: typing.Optional[typing.Union[Expr, bool]] = None,
+        scale: typing.Optional[typing.Union[Expr, div_image_scale.DivImageScale]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             alpha=alpha,
             content_alignment_horizontal=content_alignment_horizontal,
             content_alignment_vertical=content_alignment_vertical,
+            filters=filters,
             image_url=image_url,
             preload_required=preload_required,
             scale=scale,
+            **kwargs,
         )
 
     type: str = Field(default="image")
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description="Image transparency.",
     )
-    content_alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    content_alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description="Horizontal image alignment.",
     )
-    content_alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    content_alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description="Vertical image alignment.",
     )
-    image_url: str = Field(
+    filters: typing.Optional[typing.Sequence[div_filter.DivFilter]] = Field(
+        min_items=1, 
+        description="Image filters.",
+    )
+    image_url: typing.Union[Expr, str] = Field(
         format="uri", 
         description="Image URL.",
     )
-    preload_required: typing.Optional[bool] = Field(
+    preload_required: typing.Optional[typing.Union[Expr, bool]] = Field(
         description="Background image must be loaded before the display.",
     )
-    scale: typing.Optional[div_image_scale.DivImageScale] = Field(
+    scale: typing.Optional[typing.Union[Expr, div_image_scale.DivImageScale]] = Field(
         description="Image scaling.",
     )
 

json-builder/python/pydivkit/div/div_image_scale.py

@@ -6,10 +6,11 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivImageScale(str, enum.Enum):
     FILL = "fill"
     NO_SCALE = "no_scale"
     FIT = "fit"
+    STRETCH = "stretch"

json-builder/python/pydivkit/div/div_indicator.py

@@ -6,14 +6,16 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_appearance_transition, div_background,
-    div_border, div_change_transition, div_edge_insets, div_extension,
-    div_fixed_size, div_focus, div_shape, div_size, div_tooltip, div_transform,
-    div_transition_trigger, div_visibility, div_visibility_action,
+    div_border, div_change_transition, div_disappear_action, div_edge_insets,
+    div_extension, div_fixed_size, div_focus, div_indicator_item_placement,
+    div_rounded_rectangle_shape, div_shape, div_size, div_tooltip,
+    div_transform, div_transition_trigger, div_visibility,
+    div_visibility_action,
 )
 
 
@@ -24,44 +26,51 @@ class DivIndicator(BaseDiv):
         self, *,
         type: str = "indicator",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
-        active_item_color: typing.Optional[str] = None,
-        active_item_size: typing.Optional[float] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        animation: typing.Optional[DivIndicatorAnimation] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        active_item_color: typing.Optional[typing.Union[Expr, str]] = None,
+        active_item_size: typing.Optional[typing.Union[Expr, float]] = None,
+        active_shape: typing.Optional[div_rounded_rectangle_shape.DivRoundedRectangleShape] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        animation: typing.Optional[typing.Union[Expr, DivIndicatorAnimation]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
-        inactive_item_color: typing.Optional[str] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        inactive_item_color: typing.Optional[typing.Union[Expr, str]] = None,
+        inactive_minimum_shape: typing.Optional[div_rounded_rectangle_shape.DivRoundedRectangleShape] = None,
+        inactive_shape: typing.Optional[div_rounded_rectangle_shape.DivRoundedRectangleShape] = None,
+        items_placement: typing.Optional[div_indicator_item_placement.DivIndicatorItemPlacement] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        minimum_item_size: typing.Optional[float] = None,
+        minimum_item_size: typing.Optional[typing.Union[Expr, float]] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        pager_id: typing.Optional[str] = None,
-        row_span: typing.Optional[int] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
+        pager_id: typing.Optional[typing.Union[Expr, str]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
         shape: typing.Optional[div_shape.DivShape] = None,
         space_between_centers: typing.Optional[div_fixed_size.DivFixedSize] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             accessibility=accessibility,
             active_item_color=active_item_color,
             active_item_size=active_item_size,
+            active_shape=active_shape,
             alignment_horizontal=alignment_horizontal,
             alignment_vertical=alignment_vertical,
             alpha=alpha,
@@ -69,11 +78,15 @@ class DivIndicator(BaseDiv):
             background=background,
             border=border,
             column_span=column_span,
+            disappear_actions=disappear_actions,
             extensions=extensions,
             focus=focus,
             height=height,
             id=id,
             inactive_item_color=inactive_item_color,
+            inactive_minimum_shape=inactive_minimum_shape,
+            inactive_shape=inactive_shape,
+            items_placement=items_placement,
             margins=margins,
             minimum_item_size=minimum_item_size,
             paddings=paddings,
@@ -92,53 +105,61 @@ class DivIndicator(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="indicator")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
-    active_item_color: typing.Optional[str] = Field(
+    active_item_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
-        description="Active indicator color.",
+        description="Active indicator color. @deprecated",
     )
-    active_item_size: typing.Optional[float] = Field(
-        description="A size multiplier for an active indicator.",
+    active_item_size: typing.Optional[typing.Union[Expr, float]] = Field(
+        description="A size multiplier for an active indicator. @deprecated",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    active_shape: typing.Optional[div_rounded_rectangle_shape.DivRoundedRectangleShape] = Field(
+        description="Active indicator shape.",
+    )
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    animation: typing.Optional[DivIndicatorAnimation] = Field(
+    animation: typing.Optional[typing.Union[Expr, DivIndicatorAnimation]] = Field(
         description="Animation of switching between indicators.",
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -158,39 +179,56 @@ class DivIndicator(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    inactive_item_color: typing.Optional[str] = Field(
+    inactive_item_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
-        description="Indicator color.",
+        description="Indicator color. @deprecated",
+    )
+    inactive_minimum_shape: typing.Optional[div_rounded_rectangle_shape.DivRoundedRectangleShape] = Field(
+        description=(
+            "Inactive indicator shape, minimum size. Used when all the "
+            "indicators don\'t fit onthe screen."
+        ),
+    )
+    inactive_shape: typing.Optional[div_rounded_rectangle_shape.DivRoundedRectangleShape] = Field(
+        description="Indicator shape.",
+    )
+    items_placement: typing.Optional[div_indicator_item_placement.DivIndicatorItemPlacement] = Field(
+        description=(
+            "Indicator items placement mode:Default: Indicators\' width "
+            "is fixed and defined bythe `shape` parameters.Stretch: "
+            "Indicators are expanded to fill the entire width."
+        ),
     )
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="External margins from the element stroke.",
     )
-    minimum_item_size: typing.Optional[float] = Field(
+    minimum_item_size: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "A size multiplier for a minimal indicator. It is used when "
-            "the required number ofindicators don\'t fit on the screen."
+            "the required number ofindicators don\'t fit on the screen. "
+            "@deprecated"
         ),
     )
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    pager_id: typing.Optional[str] = Field(
+    pager_id: typing.Optional[typing.Union[Expr, str]] = Field(
         description="ID of the pager that is a data source for an indicator.",
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
@@ -198,12 +236,12 @@ class DivIndicator(BaseDiv):
         ),
     )
     shape: typing.Optional[div_shape.DivShape] = Field(
-        description="Indicator shape.",
+        description="Indicator shape. @deprecated",
     )
     space_between_centers: typing.Optional[div_fixed_size.DivFixedSize] = Field(
-        description="Spacing between indicator centers.",
+        description="Spacing between indicator centers. @deprecated",
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -213,9 +251,8 @@ class DivIndicator(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -239,14 +276,14 @@ class DivIndicator(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -255,7 +292,7 @@ class DivIndicator(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_indicator_item_placement.py

@@ -0,0 +1,20 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+from typing import Union
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+from . import (
+    div_default_indicator_item_placement, div_stretch_indicator_item_placement,
+)
+
+
+DivIndicatorItemPlacement = Union[
+    div_default_indicator_item_placement.DivDefaultIndicatorItemPlacement,
+    div_stretch_indicator_item_placement.DivStretchIndicatorItemPlacement,
+]

json-builder/python/pydivkit/div/div_infinity_count.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # Infinite number of repetitions.
@@ -15,9 +15,11 @@ class DivInfinityCount(BaseDiv):
     def __init__(
         self, *,
         type: str = "infinity",
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
+            **kwargs,
         )
 
     type: str = Field(default="infinity")

json-builder/python/pydivkit/div/div_input.py

@@ -6,15 +6,15 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_appearance_transition, div_background,
-    div_border, div_change_transition, div_edge_insets, div_extension,
-    div_focus, div_font_family, div_font_weight, div_size, div_size_unit,
-    div_tooltip, div_transform, div_transition_trigger, div_visibility,
-    div_visibility_action,
+    div_border, div_change_transition, div_disappear_action, div_edge_insets,
+    div_extension, div_focus, div_font_family, div_font_weight, div_input_mask,
+    div_input_validator, div_size, div_size_unit, div_tooltip, div_transform,
+    div_transition_trigger, div_visibility, div_visibility_action,
 )
 
 
@@ -23,47 +23,51 @@ class DivInput(BaseDiv):
 
     def __init__(
         self, *,
-        text_variable: str,
         type: str = "input",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
-        font_family: typing.Optional[div_font_family.DivFontFamily] = None,
-        font_size: typing.Optional[int] = None,
-        font_size_unit: typing.Optional[div_size_unit.DivSizeUnit] = None,
-        font_weight: typing.Optional[div_font_weight.DivFontWeight] = None,
+        font_family: typing.Optional[typing.Union[Expr, div_font_family.DivFontFamily]] = None,
+        font_size: typing.Optional[typing.Union[Expr, int]] = None,
+        font_size_unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = None,
+        font_weight: typing.Optional[typing.Union[Expr, div_font_weight.DivFontWeight]] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        highlight_color: typing.Optional[str] = None,
-        hint_color: typing.Optional[str] = None,
-        hint_text: typing.Optional[str] = None,
-        id: typing.Optional[str] = None,
-        keyboard_type: typing.Optional[DivInputKeyboardType] = None,
-        letter_spacing: typing.Optional[float] = None,
-        line_height: typing.Optional[int] = None,
+        highlight_color: typing.Optional[typing.Union[Expr, str]] = None,
+        hint_color: typing.Optional[typing.Union[Expr, str]] = None,
+        hint_text: typing.Optional[typing.Union[Expr, str]] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
+        keyboard_type: typing.Optional[typing.Union[Expr, DivInputKeyboardType]] = None,
+        letter_spacing: typing.Optional[typing.Union[Expr, float]] = None,
+        line_height: typing.Optional[typing.Union[Expr, int]] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        max_visible_lines: typing.Optional[int] = None,
+        mask: typing.Optional[div_input_mask.DivInputMask] = None,
+        max_visible_lines: typing.Optional[typing.Union[Expr, int]] = None,
         native_interface: typing.Optional[DivInputNativeInterface] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        row_span: typing.Optional[int] = None,
-        select_all_on_focus: typing.Optional[bool] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        text_color: typing.Optional[str] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        select_all_on_focus: typing.Optional[typing.Union[Expr, bool]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        text_color: typing.Optional[typing.Union[Expr, str]] = None,
+        text_variable: typing.Optional[typing.Union[Expr, str]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        validators: typing.Optional[typing.Sequence[div_input_validator.DivInputValidator]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -74,6 +78,7 @@ class DivInput(BaseDiv):
             background=background,
             border=border,
             column_span=column_span,
+            disappear_actions=disappear_actions,
             extensions=extensions,
             focus=focus,
             font_family=font_family,
@@ -89,6 +94,7 @@ class DivInput(BaseDiv):
             letter_spacing=letter_spacing,
             line_height=line_height,
             margins=margins,
+            mask=mask,
             max_visible_lines=max_visible_lines,
             native_interface=native_interface,
             paddings=paddings,
@@ -103,47 +109,53 @@ class DivInput(BaseDiv):
             transition_in=transition_in,
             transition_out=transition_out,
             transition_triggers=transition_triggers,
+            validators=validators,
             visibility=visibility,
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="input")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -154,16 +166,16 @@ class DivInput(BaseDiv):
     focus: typing.Optional[div_focus.DivFocus] = Field(
         description="Parameters when focusing on an element or losing focus.",
     )
-    font_family: typing.Optional[div_font_family.DivFontFamily] = Field(
+    font_family: typing.Optional[typing.Union[Expr, div_font_family.DivFontFamily]] = Field(
         description=(
             "Font family:`text` — a standard text font;`display` — a "
             "family of fonts with alarge font size."
         ),
     )
-    font_size: typing.Optional[int] = Field(
+    font_size: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Font size.",
     )
-    font_size_unit: typing.Optional[div_size_unit.DivSizeUnit] = Field(
+    font_size_unit: typing.Optional[typing.Union[Expr, div_size_unit.DivSizeUnit]] = Field(
         description=(
             "Unit of measurement:`px` — a physical pixel.`dp` — a "
             "logical pixel that doesn\'tdepend on screen density.`sp` — "
@@ -171,7 +183,7 @@ class DivInput(BaseDiv):
             "Specify height in `sp`. Only available on Android."
         ),
     )
-    font_weight: typing.Optional[div_font_weight.DivFontWeight] = Field(
+    font_weight: typing.Optional[typing.Union[Expr, div_font_weight.DivFontWeight]] = Field(
         description="Style.",
     )
     height: typing.Optional[div_size.DivSize] = Field(
@@ -183,48 +195,49 @@ class DivInput(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    highlight_color: typing.Optional[str] = Field(
+    highlight_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
         description=(
             "Text highlight color. If the value isn\'t set, the color "
             "set in the client will beused instead."
         ),
     )
-    hint_color: typing.Optional[str] = Field(
+    hint_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
         description="Text color.",
     )
-    hint_text: typing.Optional[str] = Field(
+    hint_text: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description="Tooltip text.",
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
             "is used as`accessibilityIdentifier` on iOS."
         ),
     )
-    keyboard_type: typing.Optional[DivInputKeyboardType] = Field(
+    keyboard_type: typing.Optional[typing.Union[Expr, DivInputKeyboardType]] = Field(
         description="Keyboard type.",
     )
-    letter_spacing: typing.Optional[float] = Field(
+    letter_spacing: typing.Optional[typing.Union[Expr, float]] = Field(
         description="Spacing between characters.",
     )
-    line_height: typing.Optional[int] = Field(
+    line_height: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
-            "Line spacing of the text range. The count is taken from the "
-            "font baseline.Measured in units specified in "
+            "Line spacing of the text. Units specified in "
             "`font_size_unit`."
         ),
     )
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="External margins from the element stroke.",
     )
-    max_visible_lines: typing.Optional[int] = Field(
+    mask: typing.Optional[div_input_mask.DivInputMask] = Field(
+        description="Mask for entering text based on the specified template.",
+    )
+    max_visible_lines: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
-            "Maximum number of lines that will be visible in the input "
-            "view."
+            "Maximum number of lines to be displayed in the input field."
         ),
     )
     native_interface: typing.Optional[DivInputNativeInterface] = Field(
@@ -233,31 +246,31 @@ class DivInput(BaseDiv):
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    select_all_on_focus: typing.Optional[bool] = Field(
+    select_all_on_focus: typing.Optional[typing.Union[Expr, bool]] = Field(
         description="Highlighting input text when focused.",
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    text_color: typing.Optional[str] = Field(
+    text_color: typing.Optional[typing.Union[Expr, str]] = Field(
         format="color", 
         description="Text color.",
     )
-    text_variable: str = Field(
+    text_variable: typing.Union[Expr, str] = Field(
         min_length=1, 
         description="Name of text storage variable.",
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -267,9 +280,8 @@ class DivInput(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -293,14 +305,18 @@ class DivInput(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    validators: typing.Optional[typing.Sequence[div_input_validator.DivInputValidator]] = Field(
+        min_items=1, 
+        description="Validators for text value.",
+    )
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -309,7 +325,7 @@ class DivInput(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )
@@ -332,13 +348,15 @@ class DivInputNativeInterface(BaseDiv):
 
     def __init__(
         self, *,
-        color: str,
+        color: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             color=color,
+            **kwargs,
         )
 
-    color: str = Field(
+    color: typing.Union[Expr, str] = Field(
         format="color", 
         description="Text input line color.",
     )

json-builder/python/pydivkit/div/div_input_mask.py

@@ -0,0 +1,18 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+from typing import Union
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+from . import div_currency_input_mask, div_fixed_length_input_mask
+
+
+DivInputMask = Union[
+    div_fixed_length_input_mask.DivFixedLengthInputMask,
+    div_currency_input_mask.DivCurrencyInputMask,
+]

json-builder/python/pydivkit/div/div_input_mask_base.py

@@ -0,0 +1,30 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+
+class DivInputMaskBase(BaseDiv):
+
+    def __init__(
+        self, *,
+        raw_text_variable: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            raw_text_variable=raw_text_variable,
+            **kwargs,
+        )
+
+    raw_text_variable: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Name of the variable to store the unprocessed value.",
+    )
+
+
+DivInputMaskBase.update_forward_refs()

json-builder/python/pydivkit/div/div_input_validator.py

@@ -0,0 +1,18 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+from typing import Union
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+from . import div_input_validator_expression, div_input_validator_regex
+
+
+DivInputValidator = Union[
+    div_input_validator_regex.DivInputValidatorRegex,
+    div_input_validator_expression.DivInputValidatorExpression,
+]

json-builder/python/pydivkit/div/div_input_validator_base.py

@@ -0,0 +1,44 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+
+class DivInputValidatorBase(BaseDiv):
+
+    def __init__(
+        self, *,
+        allow_empty: typing.Optional[typing.Union[Expr, bool]] = None,
+        label_id: typing.Optional[typing.Union[Expr, str]] = None,
+        variable: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            allow_empty=allow_empty,
+            label_id=label_id,
+            variable=variable,
+            **kwargs,
+        )
+
+    allow_empty: typing.Optional[typing.Union[Expr, bool]] = Field(
+        description="Whether an empty value is correct. By default, false.",
+    )
+    label_id: typing.Optional[typing.Union[Expr, str]] = Field(
+        min_length=1, 
+        description=(
+            "ID of the text div containing the error message, which will "
+            "also be used foraccessibility."
+        ),
+    )
+    variable: typing.Optional[typing.Union[Expr, str]] = Field(
+        min_length=1, 
+        description="Name of validation storage variable.",
+    )
+
+
+DivInputValidatorBase.update_forward_refs()

json-builder/python/pydivkit/div/div_input_validator_expression.py

@@ -0,0 +1,54 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+
+# Expression validator.
+class DivInputValidatorExpression(BaseDiv):
+
+    def __init__(
+        self, *,
+        type: str = "expression",
+        allow_empty: typing.Optional[typing.Union[Expr, bool]] = None,
+        condition: typing.Optional[typing.Union[Expr, str]] = None,
+        label_id: typing.Optional[typing.Union[Expr, str]] = None,
+        variable: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            type=type,
+            allow_empty=allow_empty,
+            condition=condition,
+            label_id=label_id,
+            variable=variable,
+            **kwargs,
+        )
+
+    type: str = Field(default="expression")
+    allow_empty: typing.Optional[typing.Union[Expr, bool]] = Field(
+        description="Whether an empty value is correct. By default, false.",
+    )
+    condition: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Expression condition for evaluating.",
+    )
+    label_id: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description=(
+            "ID of the text div containing the error message, which will "
+            "also be used foraccessibility."
+        ),
+    )
+    variable: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Name of validation storage variable.",
+    )
+
+
+DivInputValidatorExpression.update_forward_refs()

json-builder/python/pydivkit/div/div_input_validator_regex.py

@@ -0,0 +1,54 @@
+# Generated code. Do not modify.
+# flake8: noqa: F401, F405, F811
+
+from __future__ import annotations
+
+import enum
+import typing
+
+from pydivkit.core import BaseDiv, Expr, Field
+
+
+# Regex validator.
+class DivInputValidatorRegex(BaseDiv):
+
+    def __init__(
+        self, *,
+        type: str = "regex",
+        allow_empty: typing.Optional[typing.Union[Expr, bool]] = None,
+        label_id: typing.Optional[typing.Union[Expr, str]] = None,
+        pattern: typing.Optional[typing.Union[Expr, str]] = None,
+        variable: typing.Optional[typing.Union[Expr, str]] = None,
+        **kwargs: typing.Any,
+    ):
+        super().__init__(
+            type=type,
+            allow_empty=allow_empty,
+            label_id=label_id,
+            pattern=pattern,
+            variable=variable,
+            **kwargs,
+        )
+
+    type: str = Field(default="regex")
+    allow_empty: typing.Optional[typing.Union[Expr, bool]] = Field(
+        description="Whether an empty value is correct. By default, false.",
+    )
+    label_id: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description=(
+            "ID of the text div containing the error message, which will "
+            "also be used foraccessibility."
+        ),
+    )
+    pattern: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Regex pattern for matching.",
+    )
+    variable: typing.Union[Expr, str] = Field(
+        min_length=1, 
+        description="Name of validation storage variable.",
+    )
+
+
+DivInputValidatorRegex.update_forward_refs()

json-builder/python/pydivkit/div/div_line_style.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 class DivLineStyle(str, enum.Enum):

json-builder/python/pydivkit/div/div_linear_gradient.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # Linear gradient.
@@ -14,25 +14,27 @@ class DivLinearGradient(BaseDiv):
 
     def __init__(
         self, *,
-        colors: typing.List[str],
         type: str = "gradient",
-        angle: typing.Optional[int] = None,
+        angle: typing.Optional[typing.Union[Expr, int]] = None,
+        colors: typing.Optional[typing.Sequence[typing.Union[Expr, str]]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             angle=angle,
             colors=colors,
+            **kwargs,
         )
 
     type: str = Field(default="gradient")
-    angle: typing.Optional[int] = Field(
+    angle: typing.Optional[typing.Union[Expr, int]] = Field(
         description="Angle of gradient direction.",
     )
-    colors: typing.List[str] = Field(
+    colors: typing.Sequence[typing.Union[Expr, str]] = Field(
         min_items=2, 
         description=(
-            "Colors. Gradient points will be located at an equal "
-            "distance from each other."
+            "Colors. Gradient points are located at an equal distance "
+            "from each other."
         ),
     )
 

json-builder/python/pydivkit/div/div_match_parent_size.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 
 # Element size adjusts to a parent element.
@@ -15,15 +15,17 @@ class DivMatchParentSize(BaseDiv):
     def __init__(
         self, *,
         type: str = "match_parent",
-        weight: typing.Optional[float] = None,
+        weight: typing.Optional[typing.Union[Expr, float]] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             weight=weight,
+            **kwargs,
         )
 
     type: str = Field(default="match_parent")
-    weight: typing.Optional[float] = Field(
+    weight: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Weight when distributing free space between elements with "
             "the size type`match_parent` inside an element. If the "

json-builder/python/pydivkit/div/div_neighbour_page_size.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_fixed_size
 
@@ -16,12 +16,14 @@ class DivNeighbourPageSize(BaseDiv):
 
     def __init__(
         self, *,
-        neighbour_page_width: div_fixed_size.DivFixedSize,
         type: str = "fixed",
+        neighbour_page_width: typing.Optional[div_fixed_size.DivFixedSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             neighbour_page_width=neighbour_page_width,
+            **kwargs,
         )
 
     type: str = Field(default="fixed")

json-builder/python/pydivkit/div/div_nine_patch_background.py

@@ -6,38 +6,39 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_absolute_edge_insets
 
 
-# Image in nine patch format.
-# https://developer.android.com/studio/write/draw9patch.
+# Image in 9-patch format (https://developer.android.com/studio/write/draw9patch).
 class DivNinePatchBackground(BaseDiv):
 
     def __init__(
         self, *,
-        image_url: str,
-        insets: div_absolute_edge_insets.DivAbsoluteEdgeInsets,
         type: str = "nine_patch_image",
+        image_url: typing.Optional[typing.Union[Expr, str]] = None,
+        insets: typing.Optional[div_absolute_edge_insets.DivAbsoluteEdgeInsets] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             image_url=image_url,
             insets=insets,
+            **kwargs,
         )
 
     type: str = Field(default="nine_patch_image")
-    image_url: str = Field(
+    image_url: typing.Union[Expr, str] = Field(
         format="uri", 
         description="Image URL.",
     )
     insets: div_absolute_edge_insets.DivAbsoluteEdgeInsets = Field(
         description=(
-            "Margins that break images into parts, according to the "
-            "rule, are similar "
-            "toborder-image-slice.(https://developer.mozilla.org/en-US/d"
-            "ocs/Web/CSS/border-image-slice)"
+            "Margins that break the image into parts using the same "
+            "rules as the CSS`border-image-slice` "
+            "property(https://developer.mozilla.org/en-US/docs/Web/CSS/b"
+            "order-image-slice)."
         ),
     )
 

json-builder/python/pydivkit/div/div_page_size.py

@@ -6,22 +6,24 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_percentage_size
 
 
-# Percentage value of the page width.
+# Page width (%).
 class DivPageSize(BaseDiv):
 
     def __init__(
         self, *,
-        page_width: div_percentage_size.DivPercentageSize,
         type: str = "percentage",
+        page_width: typing.Optional[div_percentage_size.DivPercentageSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
             page_width=page_width,
+            **kwargs,
         )
 
     type: str = Field(default="percentage")

json-builder/python/pydivkit/div/div_pager.py

@@ -6,14 +6,14 @@ from __future__ import annotations
 import enum
 import typing
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import (
     div, div_accessibility, div_action, div_alignment_horizontal,
     div_alignment_vertical, div_appearance_transition, div_background,
-    div_border, div_change_transition, div_edge_insets, div_extension,
-    div_fixed_size, div_focus, div_pager_layout_mode, div_size, div_tooltip,
-    div_transform, div_transition_trigger, div_visibility,
+    div_border, div_change_transition, div_disappear_action, div_edge_insets,
+    div_extension, div_fixed_size, div_focus, div_pager_layout_mode, div_size,
+    div_tooltip, div_transform, div_transition_trigger, div_visibility,
     div_visibility_action,
 )
 
@@ -24,38 +24,40 @@ class DivPager(BaseDiv):
 
     def __init__(
         self, *,
-        items: typing.List[div.Div],
-        layout_mode: div_pager_layout_mode.DivPagerLayoutMode,
         type: str = "pager",
         accessibility: typing.Optional[div_accessibility.DivAccessibility] = None,
-        alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = None,
-        alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = None,
-        alpha: typing.Optional[float] = None,
-        background: typing.Optional[typing.List[div_background.DivBackground]] = None,
+        alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = None,
+        alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = None,
+        alpha: typing.Optional[typing.Union[Expr, float]] = None,
+        background: typing.Optional[typing.Sequence[div_background.DivBackground]] = None,
         border: typing.Optional[div_border.DivBorder] = None,
-        column_span: typing.Optional[int] = None,
-        default_item: typing.Optional[int] = None,
-        extensions: typing.Optional[typing.List[div_extension.DivExtension]] = None,
+        column_span: typing.Optional[typing.Union[Expr, int]] = None,
+        default_item: typing.Optional[typing.Union[Expr, int]] = None,
+        disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = None,
+        extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = None,
         focus: typing.Optional[div_focus.DivFocus] = None,
         height: typing.Optional[div_size.DivSize] = None,
-        id: typing.Optional[str] = None,
+        id: typing.Optional[typing.Union[Expr, str]] = None,
         item_spacing: typing.Optional[div_fixed_size.DivFixedSize] = None,
+        items: typing.Optional[typing.Sequence[div.Div]] = None,
+        layout_mode: typing.Optional[div_pager_layout_mode.DivPagerLayoutMode] = None,
         margins: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        orientation: typing.Optional[DivPagerOrientation] = None,
+        orientation: typing.Optional[typing.Union[Expr, DivPagerOrientation]] = None,
         paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = None,
-        restrict_parent_scroll: typing.Optional[bool] = None,
-        row_span: typing.Optional[int] = None,
-        selected_actions: typing.Optional[typing.List[div_action.DivAction]] = None,
-        tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = None,
+        restrict_parent_scroll: typing.Optional[typing.Union[Expr, bool]] = None,
+        row_span: typing.Optional[typing.Union[Expr, int]] = None,
+        selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = None,
+        tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = None,
         transform: typing.Optional[div_transform.DivTransform] = None,
         transition_change: typing.Optional[div_change_transition.DivChangeTransition] = None,
         transition_in: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
         transition_out: typing.Optional[div_appearance_transition.DivAppearanceTransition] = None,
-        transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = None,
-        visibility: typing.Optional[div_visibility.DivVisibility] = None,
+        transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = None,
+        visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = None,
         visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = None,
-        visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = None,
+        visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = None,
         width: typing.Optional[div_size.DivSize] = None,
+        **kwargs: typing.Any,
     ):
         super().__init__(
             type=type,
@@ -67,6 +69,7 @@ class DivPager(BaseDiv):
             border=border,
             column_span=column_span,
             default_item=default_item,
+            disappear_actions=disappear_actions,
             extensions=extensions,
             focus=focus,
             height=height,
@@ -90,49 +93,54 @@ class DivPager(BaseDiv):
             visibility_action=visibility_action,
             visibility_actions=visibility_actions,
             width=width,
+            **kwargs,
         )
 
     type: str = Field(default="pager")
     accessibility: typing.Optional[div_accessibility.DivAccessibility] = Field(
-        description="Accessibility for disabled people.",
+        description="Accessibility settings.",
     )
-    alignment_horizontal: typing.Optional[div_alignment_horizontal.DivAlignmentHorizontal] = Field(
+    alignment_horizontal: typing.Optional[typing.Union[Expr, div_alignment_horizontal.DivAlignmentHorizontal]] = Field(
         description=(
             "Horizontal alignment of an element inside the parent "
             "element."
         ),
     )
-    alignment_vertical: typing.Optional[div_alignment_vertical.DivAlignmentVertical] = Field(
+    alignment_vertical: typing.Optional[typing.Union[Expr, div_alignment_vertical.DivAlignmentVertical]] = Field(
         description=(
             "Vertical alignment of an element inside the parent element."
         ),
     )
-    alpha: typing.Optional[float] = Field(
+    alpha: typing.Optional[typing.Union[Expr, float]] = Field(
         description=(
             "Sets transparency of the entire element: `0` — completely "
             "transparent, `1` —opaque."
         ),
     )
-    background: typing.Optional[typing.List[div_background.DivBackground]] = Field(
+    background: typing.Optional[typing.Sequence[div_background.DivBackground]] = Field(
         min_items=1, 
         description="Element background. It can contain multiple layers.",
     )
     border: typing.Optional[div_border.DivBorder] = Field(
         description="Element stroke.",
     )
-    column_span: typing.Optional[int] = Field(
+    column_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a column of the [grid](div-grid.md) "
             "element."
         ),
     )
-    default_item: typing.Optional[int] = Field(
+    default_item: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Ordinal number of the pager element that will be opened by "
             "default."
         ),
     )
-    extensions: typing.Optional[typing.List[div_extension.DivExtension]] = Field(
+    disappear_actions: typing.Optional[typing.Sequence[div_disappear_action.DivDisappearAction]] = Field(
+        min_items=1, 
+        description="Actions when an element disappears from the screen.",
+    )
+    extensions: typing.Optional[typing.Sequence[div_extension.DivExtension]] = Field(
         min_items=1, 
         description=(
             "Extensions for additional processing of an element. The "
@@ -152,7 +160,7 @@ class DivPager(BaseDiv):
             "card](../../layout.dita)."
         ),
     )
-    id: typing.Optional[str] = Field(
+    id: typing.Optional[typing.Union[Expr, str]] = Field(
         min_length=1, 
         description=(
             "Element ID. It must be unique within the root element. It "
@@ -162,7 +170,7 @@ class DivPager(BaseDiv):
     item_spacing: typing.Optional[div_fixed_size.DivFixedSize] = Field(
         description="Spacing between elements.",
     )
-    items: typing.List[div.Div] = Field(
+    items: typing.Sequence[div.Div] = Field(
         min_items=1, 
         description=(
             "Pager elements. Page-by-page transition options can be "
@@ -193,32 +201,32 @@ class DivPager(BaseDiv):
     margins: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="External margins from the element stroke.",
     )
-    orientation: typing.Optional[DivPagerOrientation] = Field(
+    orientation: typing.Optional[typing.Union[Expr, DivPagerOrientation]] = Field(
         description="Pager orientation.",
     )
     paddings: typing.Optional[div_edge_insets.DivEdgeInsets] = Field(
         description="Internal margins from the element stroke.",
     )
-    restrict_parent_scroll: typing.Optional[bool] = Field(
+    restrict_parent_scroll: typing.Optional[typing.Union[Expr, bool]] = Field(
         description=(
             "If the parameter is enabled, the pager won\'t transmit the "
             "scroll gesture to theparent element."
         ),
     )
-    row_span: typing.Optional[int] = Field(
+    row_span: typing.Optional[typing.Union[Expr, int]] = Field(
         description=(
             "Merges cells in a string of the [grid](div-grid.md) "
             "element."
         ),
     )
-    selected_actions: typing.Optional[typing.List[div_action.DivAction]] = Field(
+    selected_actions: typing.Optional[typing.Sequence[div_action.DivAction]] = Field(
         min_items=1, 
         description=(
             "List of [actions](div-action.md) to be executed when "
             "selecting an element in[pager](div-pager.md)."
         ),
     )
-    tooltips: typing.Optional[typing.List[div_tooltip.DivTooltip]] = Field(
+    tooltips: typing.Optional[typing.Sequence[div_tooltip.DivTooltip]] = Field(
         min_items=1, 
         description=(
             "Tooltips linked to an element. A tooltip can be shown "
@@ -228,9 +236,8 @@ class DivPager(BaseDiv):
     )
     transform: typing.Optional[div_transform.DivTransform] = Field(
         description=(
-            "Transformation of the element. Applies the passed transform "
-            "to the element. Thecontent that does not fit into the "
-            "original view will be cut off."
+            "Applies the passed transformation to the element. Content "
+            "that doesn\'t fit intothe original view area is cut off."
         ),
     )
     transition_change: typing.Optional[div_change_transition.DivChangeTransition] = Field(
@@ -254,14 +261,14 @@ class DivPager(BaseDiv):
             "disappears in the newlayout."
         ),
     )
-    transition_triggers: typing.Optional[typing.List[div_transition_trigger.DivTransitionTrigger]] = Field(
+    transition_triggers: typing.Optional[typing.Sequence[typing.Union[Expr, div_transition_trigger.DivTransitionTrigger]]] = Field(
         min_items=1, 
         description=(
             "Animation starting triggers. Default value: `[state_change, "
             "visibility_change]`."
         ),
     )
-    visibility: typing.Optional[div_visibility.DivVisibility] = Field(
+    visibility: typing.Optional[typing.Union[Expr, div_visibility.DivVisibility]] = Field(
         description="Element visibility.",
     )
     visibility_action: typing.Optional[div_visibility_action.DivVisibilityAction] = Field(
@@ -270,7 +277,7 @@ class DivPager(BaseDiv):
             "`visibility_actions`parameter is set."
         ),
     )
-    visibility_actions: typing.Optional[typing.List[div_visibility_action.DivVisibilityAction]] = Field(
+    visibility_actions: typing.Optional[typing.Sequence[div_visibility_action.DivVisibilityAction]] = Field(
         min_items=1, 
         description="Actions when an element appears on the screen.",
     )

json-builder/python/pydivkit/div/div_pager_layout_mode.py

@@ -7,7 +7,7 @@ import enum
 import typing
 from typing import Union
 
-from pydivkit.core import BaseDiv, Field
+from pydivkit.core import BaseDiv, Expr, Field
 
 from . import div_neighbour_page_size, div_page_size