refactor(language-service): create findRenameLocations stubs (#39919)

Create stubs for `findRenameLocations` for both VE and Ivy Language Service
implementations. This will prevent failed requests when it is implemented on the vscode plugin side.

PR Close #39919

packages/language-service/ivy/ts_plugin.ts

@@ -61,6 +61,13 @@ export function create(info: ts.server.PluginCreateInfo): ts.LanguageService {
     return ngLS.getReferencesAtPosition(fileName, position);
   }
 
+  function findRenameLocations(
+      fileName: string, position: number, findInStrings: boolean, findInComments: boolean,
+      providePrefixAndSuffixTextForRename?: boolean): readonly ts.RenameLocation[]|undefined {
+    // TODO(atscott): implement
+    return undefined;
+  }
+
   return {
     ...tsLS,
     getSemanticDiagnostics,
@@ -68,5 +75,6 @@ export function create(info: ts.server.PluginCreateInfo): ts.LanguageService {
     getQuickInfoAtPosition,
     getDefinitionAndBoundSpan,
     getReferencesAtPosition,
+    findRenameLocations,
   };
 }

packages/language-service/src/ts_plugin.ts

@@ -128,6 +128,13 @@ export function create(info: tss.server.PluginCreateInfo): tss.LanguageService {
     return undefined;
   }
 
+  function findRenameLocations(
+      fileName: string, position: number, findInStrings: boolean, findInComments: boolean,
+      providePrefixAndSuffixTextForRename?: boolean): readonly ts.RenameLocation[]|undefined {
+    // not implemented in VE Language Service
+    return undefined;
+  }
+
   return {
     // First clone the original TS language service
     ...tsLS,
@@ -139,5 +146,6 @@ export function create(info: tss.server.PluginCreateInfo): tss.LanguageService {
     getDefinitionAndBoundSpan,
     getTypeDefinitionAtPosition,
     getReferencesAtPosition,
+    findRenameLocations,
   };
 }