return false;
  }

  void SleepForMicroseconds(int64_t micros) override {}

  tsl::string GetRunfilesDir() override { return tsl::string("dummy_path"); }

  int32_t GetCurrentThreadId() override { return 0; }

  tsl::Thread* StartThread(const tsl::ThreadOptions& thread_options,
                           const tsl::string& name,