code: func NewCluster() *Cluster {
  	// TODO(abronan): generate Cluster ID for federation
  
  	return &Cluster{
  		members:        make(map[uint64]*Member),
  		removed:        make(map[uint64]bool),
  		PeersBroadcast: watch.NewQueue(),
  	}
  }
docs: // NewCluster creates a new Cluster neighbors list for a raft Member.