code: public CreatePresetResponse createPreset(
              String presetName, String container, Clip clip, Audio audio, Encryption encryption) {
          return createPreset(presetName, null, container, false, clip, audio, null, encryption, null);
      }
docs: Create a preset which help to convert audio files on be played in a wide range of devices.
  
  @param presetName  The name of the new preset.
  @param container   The container type for the output file. Valid values include mp4, flv, hls, mp3, m4a.
  @param clip        The clip property of the preset.
  @param audio       Specify the audio format of target file.
  @param encryption  Specify the encryption property of target file.