code: function merge() {
              for (var _len2 = arguments.length, channels = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
                  channels[_key2] = arguments[_key2];
              }
  
              return Channel.merge.apply(Channel, [this].concat(channels));
          }
docs: /*
  Returns Channel.merge for `this`, `...channels`.