Update version to 5.0.1-rc and LKG.

lib/lib.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es5" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.decorators.d.ts

@@ -14,12 +14,10 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /**
- * The decorator context types provided to class member decorators.
+ * The decorator context types provided to class element decorators.
  */
 type ClassMemberDecoratorContext =
     | ClassMethodDecoratorContext
@@ -80,34 +78,37 @@ interface ClassMethodDecoratorContext<
     This = unknown,
     Value extends (this: This, ...args: any) => any = (this: This, ...args: any) => any,
 > {
-    /** The kind of class member that was decorated. */
+    /** The kind of class element that was decorated. */
     readonly kind: "method";
 
-    /** The name of the decorated class member. */
+    /** The name of the decorated class element. */
     readonly name: string | symbol;
 
-    /** A value indicating whether the class member is a static (`true`) or instance (`false`) member. */
+    /** A value indicating whether the class element is a static (`true`) or instance (`false`) element. */
     readonly static: boolean;
 
-    /** A value indicating whether the class member has a private name. */
+    /** A value indicating whether the class element has a private name. */
     readonly private: boolean;
 
-    // NOTE: Disabled, pending the outcome of https://github.com/tc39/proposal-decorators/issues/494
-    // /** An object that can be used to access the current value of the class member at runtime. */
-    // readonly access: {
-    //     /**
-    //      * Gets the current value of the method from the provided receiver.
-    //      *
-    //      * @example
-    //      * let fn = context.access.get.call(instance);
-    //      */
-    //     get(this: This): Value;
-    // };
+    /** An object that can be used to access the current value of the class element at runtime. */
+    readonly access: {
+        /**
+         * Determines whether an object has a property with the same name as the decorated element.
+         */
+        has(object: This): boolean;
+        /**
+         * Gets the current value of the method from the provided object.
+         *
+         * @example
+         * let fn = context.access.get(instance);
+         */
+        get(object: This): Value;
+    };
 
     /**
      * Adds a callback to be invoked either before static initializers are run (when
-     * decorating a `static` member), or before instance initializers are run (when
-     * decorating a non-`static` member).
+     * decorating a `static` element), or before instance initializers are run (when
+     * decorating a non-`static` element).
      *
      * @example
      * ```ts
@@ -141,34 +142,37 @@ interface ClassGetterDecoratorContext<
     This = unknown,
     Value = unknown,
 > {
-    /** The kind of class member that was decorated. */
+    /** The kind of class element that was decorated. */
     readonly kind: "getter";
 
-    /** The name of the decorated class member. */
+    /** The name of the decorated class element. */
     readonly name: string | symbol;
 
-    /** A value indicating whether the class member is a static (`true`) or instance (`false`) member. */
+    /** A value indicating whether the class element is a static (`true`) or instance (`false`) element. */
     readonly static: boolean;
 
-    /** A value indicating whether the class member has a private name. */
+    /** A value indicating whether the class element has a private name. */
     readonly private: boolean;
 
-    // NOTE: Disabled, pending the outcome of https://github.com/tc39/proposal-decorators/issues/494
-    // /** An object that can be used to access the current value of the class member at runtime. */
-    // readonly access: {
-    //     /**
-    //      * Invokes the getter on the provided receiver.
-    //      *
-    //      * @example
-    //      * let value = context.access.get.call(instance);
-    //      */
-    //     get(this: This): Value;
-    // };
+    /** An object that can be used to access the current value of the class element at runtime. */
+    readonly access: {
+        /**
+         * Determines whether an object has a property with the same name as the decorated element.
+         */
+        has(object: This): boolean;
+        /**
+         * Invokes the getter on the provided object.
+         *
+         * @example
+         * let value = context.access.get(instance);
+         */
+        get(object: This): Value;
+    };
 
     /**
      * Adds a callback to be invoked either before static initializers are run (when
-     * decorating a `static` member), or before instance initializers are run (when
-     * decorating a non-`static` member).
+     * decorating a `static` element), or before instance initializers are run (when
+     * decorating a non-`static` element).
      */
     addInitializer(initializer: (this: This) => void): void;
 }
@@ -183,34 +187,37 @@ interface ClassSetterDecoratorContext<
     This = unknown,
     Value = unknown,
 > {
-    /** The kind of class member that was decorated. */
+    /** The kind of class element that was decorated. */
     readonly kind: "setter";
 
-    /** The name of the decorated class member. */
+    /** The name of the decorated class element. */
     readonly name: string | symbol;
 
-    /** A value indicating whether the class member is a static (`true`) or instance (`false`) member. */
+    /** A value indicating whether the class element is a static (`true`) or instance (`false`) element. */
     readonly static: boolean;
 
-    /** A value indicating whether the class member has a private name. */
+    /** A value indicating whether the class element has a private name. */
     readonly private: boolean;
 
-    // NOTE: Disabled, pending the outcome of https://github.com/tc39/proposal-decorators/issues/494
-    /** An object that can be used to access the current value of the class member at runtime. */
-    // readonly access: {
-    //     /**
-    //      * Invokes the setter on the provided receiver.
-    //      *
-    //      * @example
-    //      * context.access.set.call(instance, value);
-    //      */
-    //     set(this: This, value: Value): void;
-    // };
+    /** An object that can be used to access the current value of the class element at runtime. */
+    readonly access: {
+        /**
+         * Determines whether an object has a property with the same name as the decorated element.
+         */
+        has(object: This): boolean;
+        /**
+         * Invokes the setter on the provided object.
+         *
+         * @example
+         * context.access.set(instance, value);
+         */
+        set(object: This, value: Value): void;
+    };
 
     /**
      * Adds a callback to be invoked either before static initializers are run (when
-     * decorating a `static` member), or before instance initializers are run (when
-     * decorating a non-`static` member).
+     * decorating a `static` element), or before instance initializers are run (when
+     * decorating a non-`static` element).
      */
     addInitializer(initializer: (this: This) => void): void;
 }
@@ -225,42 +232,46 @@ interface ClassAccessorDecoratorContext<
     This = unknown,
     Value = unknown,
 > {
-    /** The kind of class member that was decorated. */
+    /** The kind of class element that was decorated. */
     readonly kind: "accessor";
 
-    /** The name of the decorated class member. */
+    /** The name of the decorated class element. */
     readonly name: string | symbol;
 
-    /** A value indicating whether the class member is a static (`true`) or instance (`false`) member. */
+    /** A value indicating whether the class element is a static (`true`) or instance (`false`) element. */
     readonly static: boolean;
 
-    /** A value indicating whether the class member has a private name. */
+    /** A value indicating whether the class element has a private name. */
     readonly private: boolean;
 
-    // NOTE: Disabled, pending the outcome of https://github.com/tc39/proposal-decorators/issues/494
-    // /** An object that can be used to access the current value of the class member at runtime. */
-    // readonly access: {
-    //     /**
-    //      * Invokes the getter on the provided receiver.
-    //      *
-    //      * @example
-    //      * let value = context.access.get.call(instance);
-    //      */
-    //     get(this: This): Value;
+    /** An object that can be used to access the current value of the class element at runtime. */
+    readonly access: {
+        /**
+         * Determines whether an object has a property with the same name as the decorated element.
+         */
+        has(object: This): boolean;
 
-    //     /**
-    //      * Invokes the setter on the provided receiver.
-    //      *
-    //      * @example
-    //      * context.access.set.call(instance, value);
-    //      */
-    //     set(this: This, value: Value): void;
-    // };
+        /**
+         * Invokes the getter on the provided object.
+         *
+         * @example
+         * let value = context.access.get(instance);
+         */
+        get(object: This): Value;
+
+        /**
+         * Invokes the setter on the provided object.
+         *
+         * @example
+         * context.access.set(instance, value);
+         */
+        set(object: This, value: Value): void;
+    };
 
     /**
      * Adds a callback to be invoked either before static initializers are run (when
-     * decorating a `static` member), or before instance initializers are run (when
-     * decorating a non-`static` member).
+     * decorating a `static` element), or before instance initializers are run (when
+     * decorating a non-`static` element).
      */
     addInitializer(initializer: (this: This) => void): void;
 }
@@ -322,36 +333,40 @@ interface ClassFieldDecoratorContext<
     This = unknown,
     Value = unknown,
 > {
-    /** The kind of class member that was decorated. */
+    /** The kind of class element that was decorated. */
     readonly kind: "field";
 
-    /** The name of the decorated class member. */
+    /** The name of the decorated class element. */
     readonly name: string | symbol;
 
-    /** A value indicating whether the class member is a static (`true`) or instance (`false`) member. */
+    /** A value indicating whether the class element is a static (`true`) or instance (`false`) element. */
     readonly static: boolean;
 
-    /** A value indicating whether the class member has a private name. */
+    /** A value indicating whether the class element has a private name. */
     readonly private: boolean;
 
-    // NOTE: Disabled, pending the outcome of https://github.com/tc39/proposal-decorators/issues/494
-    // /** An object that can be used to access the current value of the class member at runtime. */
-    // readonly access: {
-    //     /**
-    //      * Gets the value of the field on the provided receiver.
-    //      */
-    //     get(this: This): Value;
+    /** An object that can be used to access the current value of the class element at runtime. */
+    readonly access: {
+        /**
+         * Determines whether an object has a property with the same name as the decorated element.
+         */
+        has(object: This): boolean;
 
-    //     /**
-    //      * Sets the value of the field on the provided receiver.
-    //      */
-    //     set(this: This, value: Value): void;
-    // };
+        /**
+         * Gets the value of the field on the provided object.
+         */
+        get(object: This): Value;
+
+        /**
+         * Sets the value of the field on the provided object.
+         */
+        set(object: This, value: Value): void;
+    };
 
     /**
      * Adds a callback to be invoked either before static initializers are run (when
-     * decorating a `static` member), or before instance initializers are run (when
-     * decorating a non-`static` member).
+     * decorating a `static` element), or before instance initializers are run (when
+     * decorating a non-`static` element).
      */
     addInitializer(initializer: (this: This) => void): void;
 }

lib/lib.decorators.legacy.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare type ClassDecorator = <TFunction extends Function>(target: TFunction) => TFunction | void;
 declare type PropertyDecorator = (target: Object, propertyKey: string | symbol) => void;
 declare type MethodDecorator = <T>(target: Object, propertyKey: string | symbol, descriptor: TypedPropertyDescriptor<T>) => TypedPropertyDescriptor<T> | void;

lib/lib.dom.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /////////////////////////////
 /// Window APIs
 /////////////////////////////

lib/lib.dom.iterable.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /////////////////////////////
 /// Window Iterable APIs
 /////////////////////////////

lib/lib.es2015.collection.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Map<K, V> {
 
     clear(): void;

lib/lib.es2015.core.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Array<T> {
     /**
      * Returns the value of the first element in the array where predicate is true, and undefined

lib/lib.es2015.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es5" />
 /// <reference lib="es2015.core" />
 /// <reference lib="es2015.collection" />

lib/lib.es2015.generator.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.iterable" />
 
 interface Generator<T = unknown, TReturn = any, TNext = unknown> extends Iterator<T, TReturn, TNext> {

lib/lib.es2015.iterable.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.symbol" />
 
 interface SymbolConstructor {

lib/lib.es2015.promise.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface PromiseConstructor {
     /**
      * A reference to the prototype.

lib/lib.es2015.proxy.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface ProxyHandler<T extends object> {
     /**
      * A trap method for a function call.

lib/lib.es2015.reflect.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare namespace Reflect {
     /**
      * Calls the function with the specified object as the this value

lib/lib.es2015.symbol.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface SymbolConstructor {
     /**
      * A reference to the prototype.

lib/lib.es2015.symbol.wellknown.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.symbol" />
 
 interface SymbolConstructor {
@@ -76,7 +74,7 @@ interface SymbolConstructor {
     readonly toStringTag: unique symbol;
 
     /**
-     * An Object whose own property names are property names that are excluded from the 'with'
+     * An Object whose truthy properties are properties that are excluded from the 'with'
      * environment bindings of the associated objects.
      */
     readonly unscopables: unique symbol;
@@ -93,17 +91,21 @@ interface Symbol {
 
 interface Array<T> {
     /**
-     * Returns an object whose properties have the value 'true'
+     * Is an object whose properties have the value 'true'
      * when they will be absent when used in a 'with' statement.
      */
-    [Symbol.unscopables](): {
-        copyWithin: boolean;
-        entries: boolean;
-        fill: boolean;
-        find: boolean;
-        findIndex: boolean;
-        keys: boolean;
-        values: boolean;
+    readonly [Symbol.unscopables]: {
+        [K in keyof any[]]?: boolean;
+    };
+}
+
+interface ReadonlyArray<T> {
+    /**
+     * Is an object whose properties have the value 'true'
+     * when they will be absent when used in a 'with' statement.
+     */
+    readonly [Symbol.unscopables]: {
+        [K in keyof readonly any[]]?: boolean;
     };
 }
 

lib/lib.es2016.array.include.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Array<T> {
     /**
      * Determines whether an array includes a certain element, returning true or false as appropriate.

lib/lib.es2016.d.ts

@@ -14,9 +14,7 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015" />
 /// <reference lib="es2016.array.include" />

lib/lib.es2016.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2016" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es2017.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2016" />
 /// <reference lib="es2017.object" />
 /// <reference lib="es2017.sharedmemory" />

lib/lib.es2017.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2017" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es2017.intl.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare namespace Intl {
 
     interface DateTimeFormatPartTypesRegistry {

lib/lib.es2017.object.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface ObjectConstructor {
     /**
      * Returns an array of values of the enumerable properties of an object

lib/lib.es2017.sharedmemory.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.symbol" />
 /// <reference lib="es2015.symbol.wellknown" />
 

lib/lib.es2017.string.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface String {
     /**
      * Pads the current string with a given string (possibly repeated) so that the resulting string reaches a given length.

lib/lib.es2017.typedarrays.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Int8ArrayConstructor {
     new (): Int8Array;
 }

lib/lib.es2018.asyncgenerator.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2018.asynciterable" />
 
 interface AsyncGenerator<T = unknown, TReturn = any, TNext = unknown> extends AsyncIterator<T, TReturn, TNext> {

lib/lib.es2018.asynciterable.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.symbol" />
 /// <reference lib="es2015.iterable" />
 

lib/lib.es2018.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2017" />
 /// <reference lib="es2018.asynciterable" />
 /// <reference lib="es2018.asyncgenerator" />

lib/lib.es2018.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2018" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es2018.intl.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare namespace Intl {
 
     // http://cldr.unicode.org/index/cldr-spec/plural-rules#TOC-Determining-Plural-Categories

lib/lib.es2018.promise.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /**
  * Represents the completion of an asynchronous operation
  */

lib/lib.es2018.regexp.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface RegExpMatchArray {
     groups?: {
         [key: string]: string

lib/lib.es2019.array.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 type FlatArray<Arr, Depth extends number> = {
     "done": Arr,
     "recur": Arr extends ReadonlyArray<infer InnerArr>

lib/lib.es2019.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2018" />
 /// <reference lib="es2019.array" />
 /// <reference lib="es2019.object" />

lib/lib.es2019.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2019" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es2019.intl.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare namespace Intl {
     interface DateTimeFormatPartTypesRegistry {
         unknown: any

lib/lib.es2019.object.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.iterable" />
 
 interface ObjectConstructor {

lib/lib.es2019.string.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface String {
     /** Removes the trailing white space and line terminator characters from a string. */
     trimEnd(): string;

lib/lib.es2019.symbol.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Symbol {
     /**
      * Expose the [[Description]] internal slot of a symbol directly.

lib/lib.es2020.bigint.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2020.intl" />
 
 interface BigIntToLocaleStringOptions {

lib/lib.es2020.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2019" />
 /// <reference lib="es2020.bigint" />
 /// <reference lib="es2020.date" />

lib/lib.es2020.date.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2020.intl" />
 
 interface Date {

lib/lib.es2020.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2020" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es2020.intl.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2018.intl" />
 declare namespace Intl {
 

lib/lib.es2020.number.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2020.intl" />
 
 interface Number {

lib/lib.es2020.promise.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface PromiseFulfilledResult<T> {
     status: "fulfilled";
     value: T;

lib/lib.es2020.sharedmemory.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Atomics {
     /**
      * Adds a value to the value at the given position in the array, returning the original value.

lib/lib.es2020.string.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.iterable" />
 
 interface String {

lib/lib.es2020.symbol.wellknown.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015.iterable" />
 /// <reference lib="es2015.symbol" />
 

lib/lib.es2021.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2020" />
 /// <reference lib="es2021.promise" />
 /// <reference lib="es2021.string" />

lib/lib.es2021.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2021" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es2021.intl.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare namespace Intl {
 
     interface DateTimeFormatPartTypesRegistry {

lib/lib.es2021.promise.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface AggregateError extends Error {
     errors: any[]
 }

lib/lib.es2021.string.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface String {
     /**
      * Replace all instances of a substring in a string, using a regular expression or search string.

lib/lib.es2021.weakref.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface WeakRef<T extends object> {
     readonly [Symbol.toStringTag]: "WeakRef";
 

lib/lib.es2022.array.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Array<T> {
     /**
      * Returns the item located at the specified index.

lib/lib.es2022.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2021" />
 /// <reference lib="es2022.array" />
 /// <reference lib="es2022.error" />

lib/lib.es2022.error.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface ErrorOptions {
     cause?: unknown;
 }

lib/lib.es2022.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2022" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es2022.intl.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare namespace Intl {
 
     /**

lib/lib.es2022.object.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface ObjectConstructor {
     /**
      * Determines whether an object has a property with the specified name.

lib/lib.es2022.regexp.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface RegExpMatchArray {
     indices?: RegExpIndicesArray;
 }

lib/lib.es2022.sharedmemory.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Atomics {
     /**
      * A non-blocking, asynchronous version of wait which is usable on the main thread.

lib/lib.es2022.string.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface String {
     /**
      * Returns a new String consisting of the single UTF-16 code unit located at the specified index.

lib/lib.es2023.array.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 interface Array<T> {
     /**
      * Returns the value of the last element in the array where predicate is true, and undefined

lib/lib.es2023.d.ts

@@ -14,9 +14,7 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2022" />
 /// <reference lib="es2023.array" />

lib/lib.es2023.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2023" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.es5.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="decorators" />
 /// <reference lib="decorators.legacy" />
 

lib/lib.es6.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2015" />
 /// <reference lib="dom" />
 /// <reference lib="dom.iterable" />

lib/lib.esnext.d.ts

@@ -14,9 +14,7 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="es2023" />
 /// <reference lib="esnext.intl" />

lib/lib.esnext.full.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /// <reference lib="esnext" />
 /// <reference lib="dom" />
 /// <reference lib="webworker.importscripts" />

lib/lib.esnext.intl.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 declare namespace Intl {
   interface NumberRangeFormatPart extends NumberFormatPart {
     source: "startRange" | "endRange" | "shared"

lib/lib.scripthost.d.ts

@@ -14,12 +14,10 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
 
 
-
 /////////////////////////////
 /// Windows Script Host APIS
 /////////////////////////////

lib/lib.webworker.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /////////////////////////////
 /// Worker APIs
 /////////////////////////////

lib/lib.webworker.importscripts.d.ts

@@ -14,11 +14,9 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
 
-
 /////////////////////////////
 /// WorkerGlobalScope APIs
 /////////////////////////////

lib/lib.webworker.iterable.d.ts

@@ -14,10 +14,8 @@ and limitations under the License.
 ***************************************************************************** */
 
 
-
 /// <reference no-default-lib="true"/>
 
-
 /////////////////////////////
 /// Worker Iterable APIs
 /////////////////////////////

lib/tsserverlibrary.d.ts

@@ -6310,6 +6310,7 @@ declare namespace ts {
     }
     interface TypeChecker {
         getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type;
+        getTypeOfSymbol(symbol: Symbol): Type;
         getDeclaredTypeOfSymbol(symbol: Symbol): Type;
         getPropertiesOfType(type: Type): Symbol[];
         getPropertyOfType(type: Type, propertyName: string): Symbol | undefined;
@@ -6400,6 +6401,21 @@ declare namespace ts {
         getApparentType(type: Type): Type;
         getBaseConstraintOfType(type: Type): Type | undefined;
         getDefaultFromTypeParameter(type: Type): Type | undefined;
+        /**
+         * True if this type is the `Array` or `ReadonlyArray` type from lib.d.ts.
+         * This function will _not_ return true if passed a type which
+         * extends `Array` (for example, the TypeScript AST's `NodeArray` type).
+         */
+        isArrayType(type: Type): boolean;
+        /**
+         * True if this type is a tuple type. This function will _not_ return true if
+         * passed a type which extends from a tuple.
+         */
+        isTupleType(type: Type): boolean;
+        /**
+         * True if this type is assignable to `ReadonlyArray<any>`.
+         */
+        isArrayLikeType(type: Type): boolean;
         getTypePredicateOfSignature(signature: Signature): TypePredicate | undefined;
         /**
          * Depending on the operation performed, it may be appropriate to throw away the checker
@@ -6659,7 +6675,8 @@ declare namespace ts {
         TemplateLiteral = 134217728,
         StringMapping = 268435456,
         Literal = 2944,
-        Unit = 109440,
+        Unit = 109472,
+        Freshable = 2976,
         StringOrNumberLiteral = 384,
         PossiblyFalsy = 117724,
         StringLike = 402653316,
@@ -6711,10 +6728,12 @@ declare namespace ts {
         isClass(): this is InterfaceType;
         isIndexType(): this is IndexType;
     }
-    interface LiteralType extends Type {
+    interface FreshableType extends Type {
+        freshType: FreshableType;
+        regularType: FreshableType;
+    }
+    interface LiteralType extends FreshableType {
         value: string | number | PseudoBigInt;
-        freshType: LiteralType;
-        regularType: LiteralType;
     }
     interface UniqueESSymbolType extends Type {
         symbol: Symbol;
@@ -6729,7 +6748,7 @@ declare namespace ts {
     interface BigIntLiteralType extends LiteralType {
         value: PseudoBigInt;
     }
-    interface EnumType extends Type {
+    interface EnumType extends FreshableType {
     }
     enum ObjectFlags {
         None = 0,
@@ -8673,7 +8692,6 @@ declare namespace ts {
         parent: ConstructorDeclaration;
         name: Identifier;
     };
-    function emitModuleKindIsNonNodeESM(moduleKind: ModuleKind): boolean;
     /** @deprecated */
     function createUnparsedSourceFile(text: string): UnparsedSource;
     /** @deprecated */
@@ -9128,7 +9146,6 @@ declare namespace ts {
     function bundlerModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
     function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
     function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: NonRelativeModuleNameResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
-    function shouldAllowImportingTsExtension(compilerOptions: CompilerOptions, fromFileName?: string): boolean | "" | undefined;
     interface TypeReferenceDirectiveResolutionCache extends PerDirectoryResolutionCache<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>, NonRelativeNameResolutionCache<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>, PackageJsonInfoCache {
     }
     interface ModeAwareCache<T> {
@@ -10056,6 +10073,13 @@ declare namespace ts {
          */
         triggerCharacter?: CompletionsTriggerCharacter;
         triggerKind?: CompletionTriggerKind;
+        /**
+         * Include a `symbol` property on each completion entry object.
+         * Symbols reference cyclic data structures and sometimes an entire TypeChecker instance,
+         * so use caution when serializing or retaining completion entries retrieved with this option.
+         * @default false
+         */
+        includeSymbol?: boolean;
         /** @deprecated Use includeCompletionsForModuleExports */
         includeExternalModuleExports?: boolean;
         /** @deprecated Use includeCompletionsWithInsertText */
@@ -10576,6 +10600,7 @@ declare namespace ts {
          * in the case of InternalSymbolName.ExportEquals and InternalSymbolName.Default.
          */
         exportName: string;
+        exportMapKey?: string;
         moduleSpecifier?: string;
         /** The file name declaring the export's module symbol, if it was an external module */
         fileName?: string;
@@ -10585,7 +10610,6 @@ declare namespace ts {
         isPackageJsonImport?: true;
     }
     interface CompletionEntryDataUnresolved extends CompletionEntryDataAutoImport {
-        /** The key in the `ExportMapCache` where the completion entry's `SymbolExportInfo[]` is found */
         exportMapKey: string;
     }
     interface CompletionEntryDataResolved extends CompletionEntryDataAutoImport {
@@ -10613,6 +10637,12 @@ declare namespace ts {
         isFromUncheckedFile?: true;
         isPackageJsonImport?: true;
         isImportStatementCompletion?: true;
+        /**
+         * For API purposes.
+         * Included for non-string completions only when `includeSymbol: true` option is passed to `getCompletionsAtPosition`.
+         * @example Get declaration of completion: `symbol.valueDeclaration`
+         */
+        symbol?: Symbol;
         /**
          * A property to be sent back to TS Server in the CompletionDetailsRequest, along with `name`,
          * that allows TS Server to look up the symbol represented by the completion item, disambiguating

lib/typescript.d.ts

@@ -2335,6 +2335,7 @@ declare namespace ts {
     }
     interface TypeChecker {
         getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type;
+        getTypeOfSymbol(symbol: Symbol): Type;
         getDeclaredTypeOfSymbol(symbol: Symbol): Type;
         getPropertiesOfType(type: Type): Symbol[];
         getPropertyOfType(type: Type, propertyName: string): Symbol | undefined;
@@ -2425,6 +2426,21 @@ declare namespace ts {
         getApparentType(type: Type): Type;
         getBaseConstraintOfType(type: Type): Type | undefined;
         getDefaultFromTypeParameter(type: Type): Type | undefined;
+        /**
+         * True if this type is the `Array` or `ReadonlyArray` type from lib.d.ts.
+         * This function will _not_ return true if passed a type which
+         * extends `Array` (for example, the TypeScript AST's `NodeArray` type).
+         */
+        isArrayType(type: Type): boolean;
+        /**
+         * True if this type is a tuple type. This function will _not_ return true if
+         * passed a type which extends from a tuple.
+         */
+        isTupleType(type: Type): boolean;
+        /**
+         * True if this type is assignable to `ReadonlyArray<any>`.
+         */
+        isArrayLikeType(type: Type): boolean;
         getTypePredicateOfSignature(signature: Signature): TypePredicate | undefined;
         /**
          * Depending on the operation performed, it may be appropriate to throw away the checker
@@ -2684,7 +2700,8 @@ declare namespace ts {
         TemplateLiteral = 134217728,
         StringMapping = 268435456,
         Literal = 2944,
-        Unit = 109440,
+        Unit = 109472,
+        Freshable = 2976,
         StringOrNumberLiteral = 384,
         PossiblyFalsy = 117724,
         StringLike = 402653316,
@@ -2736,10 +2753,12 @@ declare namespace ts {
         isClass(): this is InterfaceType;
         isIndexType(): this is IndexType;
     }
-    interface LiteralType extends Type {
+    interface FreshableType extends Type {
+        freshType: FreshableType;
+        regularType: FreshableType;
+    }
+    interface LiteralType extends FreshableType {
         value: string | number | PseudoBigInt;
-        freshType: LiteralType;
-        regularType: LiteralType;
     }
     interface UniqueESSymbolType extends Type {
         symbol: Symbol;
@@ -2754,7 +2773,7 @@ declare namespace ts {
     interface BigIntLiteralType extends LiteralType {
         value: PseudoBigInt;
     }
-    interface EnumType extends Type {
+    interface EnumType extends FreshableType {
     }
     enum ObjectFlags {
         None = 0,
@@ -4698,7 +4717,6 @@ declare namespace ts {
         parent: ConstructorDeclaration;
         name: Identifier;
     };
-    function emitModuleKindIsNonNodeESM(moduleKind: ModuleKind): boolean;
     /** @deprecated */
     function createUnparsedSourceFile(text: string): UnparsedSource;
     /** @deprecated */
@@ -5153,7 +5171,6 @@ declare namespace ts {
     function bundlerModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
     function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: ModuleResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
     function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache?: NonRelativeModuleNameResolutionCache, redirectedReference?: ResolvedProjectReference): ResolvedModuleWithFailedLookupLocations;
-    function shouldAllowImportingTsExtension(compilerOptions: CompilerOptions, fromFileName?: string): boolean | "" | undefined;
     interface TypeReferenceDirectiveResolutionCache extends PerDirectoryResolutionCache<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>, NonRelativeNameResolutionCache<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>, PackageJsonInfoCache {
     }
     interface ModeAwareCache<T> {
@@ -6154,6 +6171,13 @@ declare namespace ts {
          */
         triggerCharacter?: CompletionsTriggerCharacter;
         triggerKind?: CompletionTriggerKind;
+        /**
+         * Include a `symbol` property on each completion entry object.
+         * Symbols reference cyclic data structures and sometimes an entire TypeChecker instance,
+         * so use caution when serializing or retaining completion entries retrieved with this option.
+         * @default false
+         */
+        includeSymbol?: boolean;
         /** @deprecated Use includeCompletionsForModuleExports */
         includeExternalModuleExports?: boolean;
         /** @deprecated Use includeCompletionsWithInsertText */
@@ -6674,6 +6698,7 @@ declare namespace ts {
          * in the case of InternalSymbolName.ExportEquals and InternalSymbolName.Default.
          */
         exportName: string;
+        exportMapKey?: string;
         moduleSpecifier?: string;
         /** The file name declaring the export's module symbol, if it was an external module */
         fileName?: string;
@@ -6683,7 +6708,6 @@ declare namespace ts {
         isPackageJsonImport?: true;
     }
     interface CompletionEntryDataUnresolved extends CompletionEntryDataAutoImport {
-        /** The key in the `ExportMapCache` where the completion entry's `SymbolExportInfo[]` is found */
         exportMapKey: string;
     }
     interface CompletionEntryDataResolved extends CompletionEntryDataAutoImport {
@@ -6711,6 +6735,12 @@ declare namespace ts {
         isFromUncheckedFile?: true;
         isPackageJsonImport?: true;
         isImportStatementCompletion?: true;
+        /**
+         * For API purposes.
+         * Included for non-string completions only when `includeSymbol: true` option is passed to `getCompletionsAtPosition`.
+         * @example Get declaration of completion: `symbol.valueDeclaration`
+         */
+        symbol?: Symbol;
         /**
          * A property to be sent back to TS Server in the CompletionDetailsRequest, along with `name`,
          * that allows TS Server to look up the symbol represented by the completion item, disambiguating

package.json

@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "https://www.typescriptlang.org/",
-    "version": "5.0.0-beta",
+    "version": "5.0.1-rc",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [

src/compiler/corePublic.ts

@@ -4,7 +4,7 @@ export const versionMajorMinor = "5.0";
 // The following is baselined as a literal template type without intervention
 /** The version of the TypeScript compiler release */
 // eslint-disable-next-line @typescript-eslint/no-inferrable-types
-export const version: string = `${versionMajorMinor}.0-beta`;
+export const version: string = `${versionMajorMinor}.1-rc`;
 
 /**
  * Type of objects whose values are all of the same type.