code: public SkipUsersPlaybackToPreviousTrackRequest.Builder skipUsersPlaybackToPreviousTrack() {
      return new SkipUsersPlaybackToPreviousTrackRequest.Builder(accessToken)
              .setDefaults(httpManager, scheme, host, port);
    }
docs: Skips to previous track in the users queue.
  <p>
  <b>Note:</b> This will ALWAYS skip to the previous track, regardless of the current track’s progress. Returning to
  the start of the current track should be performed using the {@link #seekToPositionInCurrentlyPlayingTrack(int)}
  method.
  
  @return A {@link SkipUsersPlaybackToPreviousTrackRequest.Builder}.