code: func (c *Client) LANSegmentMembers(segment string) ([]serf.Member, error) {
  	if segment == c.config.Segment {
  		return c.LANMembers(), nil
  	}
  
  	return nil, fmt.Errorf("segment %q not found", segment)
  }
docs: // LANSegmentMembers only returns our own segment's members, because clients
  // can't be in multiple segments.