message: Responded to code review
diff: @@ -17,8 +17,7 @@ class ModeHandlerMapImpl {
  }
  async get(key: string): Promise<ModeHandler | null> {
  - let modeHandler = this.modeHandlerMap[key];
  - return modeHandler;
  + return this.modeHandlerMap[key];
  }
  getKeys(): string[] {
  