code: func (c *Cluster) Members() map[uint64]*Member {
  	members := make(map[uint64]*Member)
  	c.mu.RLock()
  	for k, v := range c.members {
  		members[k] = v
  	}
  	c.mu.RUnlock()
  	return members
  }
docs: // Members returns the list of raft Members in the Cluster.