Proposed expandable hover API (#59940)

src/server/protocol.ts

@@ -2004,6 +2004,11 @@ export interface QuickInfoRequest extends FileLocationRequest {
     arguments: FileLocationRequestArgs;
 }
 
+export interface QuickInfoRequestArgs extends FileLocationRequestArgs {
+    /** TODO */
+    verbosityLevel?: number;
+}
+
 /**
  * Body of QuickInfoResponse.
  */
@@ -2043,6 +2048,11 @@ export interface QuickInfoResponseBody {
      * JSDoc tags associated with symbol.
      */
     tags: JSDocTagInfo[];
+
+    /**
+     * TODO
+     */
+    canIncreaseVerbosityLevel?: boolean;
 }
 
 /**