expose getImmediateAliasedSymbol() publicly (#44644)

Signed-off-by: Kubilay Kahveci <[email protected]>

Author: mkubilayk

src/compiler/types.ts

@@ -4219,7 +4219,7 @@ namespace ts {
         /** Follow all aliases to get the original symbol. */
         getAliasedSymbol(symbol: Symbol): Symbol;
         /** Follow a *single* alias to get the immediately aliased symbol. */
-        /* @internal */ getImmediateAliasedSymbol(symbol: Symbol): Symbol | undefined;
+        getImmediateAliasedSymbol(symbol: Symbol): Symbol | undefined;
         getExportsOfModule(moduleSymbol: Symbol): Symbol[];
         /** Unlike `getExportsOfModule`, this includes properties of an `export =` value. */
         /* @internal */ getExportsAndPropertiesOfModule(moduleSymbol: Symbol): Symbol[];

tests/baselines/reference/api/tsserverlibrary.d.ts

@@ -2272,6 +2272,8 @@ declare namespace ts {
         isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName | ImportTypeNode, propertyName: string): boolean;
         /** Follow all aliases to get the original symbol. */
         getAliasedSymbol(symbol: Symbol): Symbol;
+        /** Follow a *single* alias to get the immediately aliased symbol. */
+        getImmediateAliasedSymbol(symbol: Symbol): Symbol | undefined;
         getExportsOfModule(moduleSymbol: Symbol): Symbol[];
         getJsxIntrinsicTagNamesAt(location: Node): Symbol[];
         isOptionalParameter(node: ParameterDeclaration): boolean;

tests/baselines/reference/api/typescript.d.ts

@@ -2272,6 +2272,8 @@ declare namespace ts {
         isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName | ImportTypeNode, propertyName: string): boolean;
         /** Follow all aliases to get the original symbol. */
         getAliasedSymbol(symbol: Symbol): Symbol;
+        /** Follow a *single* alias to get the immediately aliased symbol. */
+        getImmediateAliasedSymbol(symbol: Symbol): Symbol | undefined;
         getExportsOfModule(moduleSymbol: Symbol): Symbol[];
         getJsxIntrinsicTagNamesAt(location: Node): Symbol[];
         isOptionalParameter(node: ParameterDeclaration): boolean;