code: public StartResumeUsersPlaybackRequest.Builder startResumeUsersPlayback() {
      return new StartResumeUsersPlaybackRequest.Builder(accessToken)
              .setDefaults(httpManager, scheme, host, port);
    }
docs: Start a new context or resume current playback on the users active device.
  
  @return A {@link StartResumeUsersPlaybackRequest.Builder}.