code: func (r *RemoteObject) RemoveChangeChannel(channel chan struct{}) {
  	r.mutex.Lock()
  	if r.changedChannels[channel] != false {
  		delete(r.changedChannels, channel)
  		close(channel)
  	}
  	r.mutex.Unlock()
  }
docs: // RemoveChangeChannel unregisters a channel from further events.