code: func (s *DiscoverySupport) Peers() discovery.Members {
  	peers := s.Gossip.Peers()
  	peers = append(peers, s.Gossip.SelfMembershipInfo())
  	// Return only the peers that have an external endpoint, and sanitizes the envelopes.
  	return discovery.Members(peers).Filter(discovery.HasExternalEndpoint).Map(sanitizeEnvelope)
  }
docs: // Peers returns the NetworkMembers considered alive