/**
  * @param $broadcast
  * @param $channel
  * @return bool
  */
 public function isBroadcasting(LiveBroadcast $broadcast, BaseChannel $channel)
 {
     return $this->broadcastId === $broadcast->getBroadcastId() && $this->channelId === $channel->getChannelId();
 }
 /**
  * @param BaseChannel $channel
  *
  * @return $this
  */
 public function removeOutputChannel(BaseChannel $channel)
 {
     $this->outputChannels->remove($channel);
     return $this;
 }