Bump version to 4.0.0-beta and LKG

lib/typescript.d.ts

@@ -2538,9 +2538,19 @@ declare namespace ts {
     }
     export interface GenericType extends InterfaceType, TypeReference {
     }
+    export enum ElementFlags {
+        Required = 1,
+        Optional = 2,
+        Rest = 4,
+        Variadic = 8,
+        Variable = 12
+    }
     export interface TupleType extends GenericType {
+        elementFlags: readonly ElementFlags[];
         minLength: number;
+        fixedLength: number;
         hasRestElement: boolean;
+        combinedFlags: ElementFlags;
         readonly: boolean;
         labeledElementDeclarations?: readonly (NamedTupleMember | ParameterDeclaration)[];
     }
@@ -3789,6 +3799,8 @@ declare namespace ts {
         readonly importModuleSpecifierEnding?: "auto" | "minimal" | "index" | "js";
         readonly allowTextChangesInNewFiles?: boolean;
         readonly providePrefixAndSuffixTextForRename?: boolean;
+        readonly includePackageJsonAutoImports?: "exclude-dev" | "all" | "none";
+        readonly provideRefactorNotApplicableReason?: boolean;
     }
     /** Represents a bigint literal value without requiring bigint support */
     export interface PseudoBigInt {
@@ -5278,6 +5290,10 @@ declare namespace ts {
         fileName: Path;
         packageName: string;
     }
+    interface PerformanceEvent {
+        kind: "UpdateGraph" | "CreatePackageJsonAutoImportProvider";
+        durationMs: number;
+    }
     interface LanguageServiceHost extends GetEffectiveTypeRootsHost {
         getCompilationSettings(): CompilerOptions;
         getNewLine?(): string;
@@ -5660,6 +5676,11 @@ declare namespace ts {
          * so this description should make sense by itself if the parent is inlineable=true
          */
         description: string;
+        /**
+         * A message to show to the user if the refactoring cannot be applied in
+         * the current context.
+         */
+        notApplicableReason?: string;
     }
     /**
      * A set of edits to make in response to a refactor action, plus an optional
@@ -5937,6 +5958,7 @@ declare namespace ts {
         source?: string;
         isRecommended?: true;
         isFromUncheckedFile?: true;
+        isPackageJsonImport?: true;
     }
     interface CompletionEntryDetails {
         name: string;