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