docs: public ChannelSpecification withSupportedInputModes(String... supportedInputModes) {
          if (this.supportedInputModes == null) {
              setSupportedInputModes(new java.util.ArrayList<String>(supportedInputModes.length));
          }
          for (String ele : supportedInputModes) {
              this.supportedInputModes.add(ele);
          }
          return this;
      }