code: public Job withPlaylists(Playlist... playlists) {
          if (this.playlists == null) {
              setPlaylists(new com.amazonaws.internal.SdkInternalList<Playlist>(playlists.length));
          }
          for (Playlist ele : playlists) {
              this.playlists.add(ele);
          }
          return this;
      }
docs: <important>
  <p>
  Outputs in Fragmented MP4 or MPEG-TS format only.
  </p>
  </important>
  <p>
  If you specify a preset in <code>PresetId</code> for which the value of <code>Container</code> is fmp4
  (Fragmented MP4) or ts (MPEG-TS), <code>Playlists</code> contains information about the master playlists that you
  want Elastic Transcoder to create.
  </p>
  <p>
  The maximum number of master playlists in a job is 30.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPlaylists(java.util.Collection)} or {@link #withPlaylists(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param playlists
  <p>
  Outputs in Fragmented MP4 or MPEG-TS format only.
  </p>
  </important>
  <p>
  If you specify a preset in <code>PresetId</code> for which the value of <code>Container</code> is fmp4
  (Fragmented MP4) or ts (MPEG-TS), <code>Playlists</code> contains information about the master playlists
  that you want Elastic Transcoder to create.
  </p>
  <p>
  The maximum number of master playlists in a job is 30.
  @return Returns a reference to this object so that method calls can be chained together.