code: public EncoderSettings withAudioDescriptions(AudioDescription... audioDescriptions) {
          if (this.audioDescriptions == null) {
              setAudioDescriptions(new java.util.ArrayList<AudioDescription>(audioDescriptions.length));
          }
          for (AudioDescription ele : audioDescriptions) {
              this.audioDescriptions.add(ele);
          }
          return this;
      }
docs: <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setAudioDescriptions(java.util.Collection)} or {@link #withAudioDescriptions(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param audioDescriptions
  @return Returns a reference to this object so that method calls can be chained together.