diff --git a/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 39587fe40ab..82ba6770957 100644
--- a/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -2094,29 +2094,20 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_type_alias_Consider_writing_0_Colon_1_Colon_2_instead_1336" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_o_1337" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a type alias. Consider writing '[{0}: {1}]5D;: {2}' instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type cannot be a literal type or generic type. Consider using a mapped object type instead.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引簽章參數類型不能是類型別名。請考慮改為撰寫 '[{0}: {1}]5D;: {2}'。]]></Val>
+            <Val><![CDATA[索引簽章參數類型不能是常值型別或泛型型別。請考慮改用對應的物件類型。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead_1337" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type_1268" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a union type. Consider using a mapped object type instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type must be 'string', 'number', 'symbol', or a template literal type.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引簽章參數類型不能是等位型別。請考慮改用對應的物件類型。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";An_index_signature_parameter_type_must_be_either_string_or_number_1023" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type must be either 'string' or 'number'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引簽章參數類型必須為 'string' 或 'number'。]]></Val>
+            <Val><![CDATA[索引簽章參數類型必須是 'string'、'number'、'symbol' 或範本文字類型。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -5175,6 +5166,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_index_signature_for_type_0_2374" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate index signature for type '{0}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[類型 '{0}' 的索引簽章重複。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_label_0_1114" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate label '{0}'.]]></Val>
@@ -5187,15 +5187,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_number_index_signature_2375" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate number index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[數字索引簽章重複。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Duplicate_property_0_2718" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate property '{0}'.]]></Val>
@@ -5205,15 +5196,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_string_index_signature_2374" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate string index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[字串索引簽章重複。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Dynamic_import_cannot_have_type_arguments_1326" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Dynamic import cannot have type arguments.]]></Val>
@@ -7308,6 +7290,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Index_signature_for_type_0_is_missing_in_type_1_2329" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Index signature for type '{0}' is missing in type '{1}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[類型 '{0}' 的索引簽章在類型 '{1}' 中遺失。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Index_signature_in_type_0_only_permits_reading_2542" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Index signature in type '{0}' only permits reading.]]></Val>
@@ -7317,24 +7308,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Index_signature_is_missing_in_type_0_2329" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signature is missing in type '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[類型 '{0}' 中遺漏索引簽章。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signatures are incompatible.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[索引簽章不相容。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Individual declarations in merged declaration '{0}' must be all exported or all local.]]></Val>
@@ -8700,15 +8673,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Numeric index type '{0}' is not assignable to string index type '{1}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[數值索引類型 '{0}' 不可指派給字串索引類型 '{1}'。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accur_80008" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Numeric literals with absolute values equal to 2^53 or greater are too large to be represented accurately as integers.]]></Val>
@@ -10290,20 +10254,11 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_2_index_type_3_2411" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'.]]></Val>
+          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[類型 '{1}' 的屬性 '{0}' 不可指派給數值索引類型 '{2}'。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to string index type '{2}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[類型 '{1}' 的屬性 '{0}' 不可指派給字串索引類型 '{2}'。]]></Val>
+            <Val><![CDATA[類型 '{1}' 的屬性 '{0}' 不可指派給 '{2}' 索引類型 '{3}'。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -14946,6 +14901,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_and_1_index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' and '{1}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA['{0}' 和 '{1}' 索引簽章不相容。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_and_1_operations_cannot_be_mixed_without_parentheses_5076" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' and '{1}' operations cannot be mixed without parentheses.]]></Val>
@@ -15126,6 +15090,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_index_signatures_are_incompatible_2634" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA['{0}' 索引簽章不相容。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";_0_index_type_1_is_not_assignable_to_2_index_type_3_2413" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA['{0}' 索引類型 '{1}' 無法指派給 '{2}' 索引類型 '{3}'。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible.]]></Val>
diff --git a/src/loc/lcl/esn/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/esn/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 03fbf80fdbe..1749238f9b1 100644
--- a/src/loc/lcl/esn/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/esn/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -2106,29 +2106,20 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_type_alias_Consider_writing_0_Colon_1_Colon_2_instead_1336" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_o_1337" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a type alias. Consider writing '[{0}: {1}]5D;: {2}' instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type cannot be a literal type or generic type. Consider using a mapped object type instead.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Un tipo de parámetro de firma de índice no puede ser un alias de tipo. Considere la posibilidad de escribir en su lugar "[{0}: {1}]5D;: {2}".]]></Val>
+            <Val><![CDATA[Un tipo de parámetro de signatura de índice no puede ser un tipo literal o un tipo genérico. Considere la posibilidad de usar, en su lugar, uno de los tipos de objeto asignados.]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead_1337" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type_1268" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a union type. Consider using a mapped object type instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type must be 'string', 'number', 'symbol', or a template literal type.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Un tipo de parámetro de firma de índice no puede ser un tipo de unión. Considere la posibilidad de usar en su lugar un tipo de objeto asignado.]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";An_index_signature_parameter_type_must_be_either_string_or_number_1023" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type must be either 'string' or 'number'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[El tipo de un parámetro de signatura de índice debe ser "string" o "number".]]></Val>
+            <Val><![CDATA[El tipo de parámetro de la signatura de índice debe ser "string", "number", "symbol" o un tipo literal de plantilla.]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -5187,6 +5178,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_index_signature_for_type_0_2374" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate index signature for type '{0}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Signatura de índice duplicada para el tipo "{0}".]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_label_0_1114" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate label '{0}'.]]></Val>
@@ -5199,15 +5199,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_number_index_signature_2375" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate number index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Signatura de índice de número duplicada.]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Duplicate_property_0_2718" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate property '{0}'.]]></Val>
@@ -5217,15 +5208,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_string_index_signature_2374" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate string index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Signatura de índice de cadena duplicada.]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Dynamic_import_cannot_have_type_arguments_1326" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Dynamic import cannot have type arguments.]]></Val>
@@ -7320,6 +7302,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Index_signature_for_type_0_is_missing_in_type_1_2329" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Index signature for type '{0}' is missing in type '{1}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Falta la signatura de índice para el tipo "{0}" en el tipo "{1}".]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Index_signature_in_type_0_only_permits_reading_2542" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Index signature in type '{0}' only permits reading.]]></Val>
@@ -7329,24 +7320,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Index_signature_is_missing_in_type_0_2329" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signature is missing in type '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Falta la signatura de índice en el tipo '{0}'.]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signatures are incompatible.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Las signaturas de índice no son compatibles.]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Individual declarations in merged declaration '{0}' must be all exported or all local.]]></Val>
@@ -8712,15 +8685,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Numeric index type '{0}' is not assignable to string index type '{1}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[El tipo de índice numérico '{0}' no se puede asignar a un tipo de índice de cadena '{1}'.]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accur_80008" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Numeric literals with absolute values equal to 2^53 or greater are too large to be represented accurately as integers.]]></Val>
@@ -10302,20 +10266,11 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_2_index_type_3_2411" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'.]]></Val>
+          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[La propiedad '{0}' de tipo '{1}' no se puede asignar al tipo de índice numérico '{2}'.]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to string index type '{2}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[La propiedad '{0}' de tipo '{1}' no se puede asignar al tipo de índice de cadena '{2}'.]]></Val>
+            <Val><![CDATA[La propiedad "{0}" de tipo "{1}" no se puede asignar al tipo de índice "{2}" "{3}".]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -14958,6 +14913,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_and_1_index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' and '{1}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Las signaturas de índice "{0}" y "{1}" no son compatibles.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_and_1_operations_cannot_be_mixed_without_parentheses_5076" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' and '{1}' operations cannot be mixed without parentheses.]]></Val>
@@ -15138,6 +15102,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_index_signatures_are_incompatible_2634" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Las signaturas de índice "{0}" no son compatibles.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";_0_index_type_1_is_not_assignable_to_2_index_type_3_2413" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[El tipo de índice "{0}"' "{1}" no se puede asignar al tipo de índice "{2}" "{3}".]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible.]]></Val>
diff --git a/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 8ef9f26b75e..65b2a235fbe 100644
--- a/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -2094,29 +2094,20 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_type_alias_Consider_writing_0_Colon_1_Colon_2_instead_1336" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_literal_type_or_generic_type_Consider_using_a_mapped_o_1337" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a type alias. Consider writing '[{0}: {1}]5D;: {2}' instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type cannot be a literal type or generic type. Consider using a mapped object type instead.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[インデックス シグネチャのパラメーターの型を型のエイリアスにすることはできません。代わりに、'[{0}: {1}]5D;: {2}' と記述することをご検討ください。]]></Val>
+            <Val><![CDATA[インデックス シグネチャ パラメーターの型をリテラル型またはジェネリック型にすることはできません。代わりに、マップされたオブジェクト型の使用を検討してください。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";An_index_signature_parameter_type_cannot_be_a_union_type_Consider_using_a_mapped_object_type_instead_1337" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";An_index_signature_parameter_type_must_be_string_number_symbol_or_a_template_literal_type_1268" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type cannot be a union type. Consider using a mapped object type instead.]]></Val>
+          <Val><![CDATA[An index signature parameter type must be 'string', 'number', 'symbol', or a template literal type.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[インデックス シグネチャのパラメーターの型を共用体型にすることはできません。代わりに、マップされたオブジェクト型の使用をご検討ください。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";An_index_signature_parameter_type_must_be_either_string_or_number_1023" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[An index signature parameter type must be either 'string' or 'number'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[インデックス シグネチャのパラメーターの型は 'string' または 'number' のいずれかである必要があります。]]></Val>
+            <Val><![CDATA[インデックス シグネチャ パラメーター型は、'string'、'number'、'symbol'、またはテンプレート リテラルの型である必要があります。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -5175,6 +5166,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_index_signature_for_type_0_2374" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate index signature for type '{0}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[型 '{0}' のインデックス シグネチャが重複しています。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_label_0_1114" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate label '{0}'.]]></Val>
@@ -5187,15 +5187,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_number_index_signature_2375" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate number index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[number インデックス シグネチャが重複しています。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Duplicate_property_0_2718" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate property '{0}'.]]></Val>
@@ -5205,15 +5196,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Duplicate_string_index_signature_2374" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Duplicate string index signature.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[string インデックス シグネチャが重複しています。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Dynamic_import_cannot_have_type_arguments_1326" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Dynamic import cannot have type arguments.]]></Val>
@@ -7308,6 +7290,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Index_signature_for_type_0_is_missing_in_type_1_2329" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Index signature for type '{0}' is missing in type '{1}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[型 '{0}' is missing in type '{1}' のインデックス シグネチャがありません。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Index_signature_in_type_0_only_permits_reading_2542" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Index signature in type '{0}' only permits reading.]]></Val>
@@ -7317,24 +7308,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Index_signature_is_missing_in_type_0_2329" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signature is missing in type '{0}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[型 '{0}' のインデックス シグネチャがありません。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Index signatures are incompatible.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[インデックスの署名に互換性がありません。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Individual declarations in merged declaration '{0}' must be all exported or all local.]]></Val>
@@ -8700,15 +8673,6 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Numeric index type '{0}' is not assignable to string index type '{1}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[数値インデックス型 '{0}' を文字列インデックス型 '{1}' に割り当てることはできません。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
       <Item ItemId=";Numeric_literals_with_absolute_values_equal_to_2_53_or_greater_are_too_large_to_be_represented_accur_80008" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Numeric literals with absolute values equal to 2^53 or greater are too large to be represented accurately as integers.]]></Val>
@@ -10290,20 +10254,11 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_2_index_type_3_2411" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'.]]></Val>
+          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
           <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[型 '{1}' のプロパティ '{0}' を数値インデックス型 '{2}' に割り当てることはできません。]]></Val>
-          </Tgt>
-        </Str>
-        <Disp Icon="Str" />
-      </Item>
-      <Item ItemId=";Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411" ItemType="0" PsrId="306" Leaf="true">
-        <Str Cat="Text">
-          <Val><![CDATA[Property '{0}' of type '{1}' is not assignable to string index type '{2}'.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[型 '{1}' のプロパティ '{0}' を文字列インデックス型 '{2}' に割り当てることはできません。]]></Val>
+            <Val><![CDATA[型 '{1}' のプロパティ '{0}' は'{2}' インデックス型 '{3}' に割り当てることはできません。]]></Val>
           </Tgt>
         </Str>
         <Disp Icon="Str" />
@@ -14946,6 +14901,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_and_1_index_signatures_are_incompatible_2330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' and '{1}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA['{0}' および '{1}' インデックス シグネチャに互換性がありません。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_and_1_operations_cannot_be_mixed_without_parentheses_5076" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' and '{1}' operations cannot be mixed without parentheses.]]></Val>
@@ -15126,6 +15090,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";_0_index_signatures_are_incompatible_2634" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index signatures are incompatible.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA['{0}' インデックス シグネチャに互換性がありません。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";_0_index_type_1_is_not_assignable_to_2_index_type_3_2413" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['{0}' index type '{1}' is not assignable to '{2}' index type '{3}'.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA['{0}'インデックス型'{1}' を '{2}'インデックス型'{3}' に割り当てることはできません。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";_0_is_a_primitive_but_1_is_a_wrapper_object_Prefer_using_0_when_possible_2692" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['{0}' is a primitive, but '{1}' is a wrapper object. Prefer using '{0}' when possible.]]></Val>