code: func (s *Session) LogoutAll() {
  	s.m.Lock()
  	for _, cred := range s.creds {
  		if s.masterSocket != nil {
  			s.masterSocket.Logout(cred.Source)
  		}
  		if s.slaveSocket != nil {
  			s.slaveSocket.Logout(cred.Source)
  		}
  	}
  	s.creds = s.creds[0:0]
  	s.m.Unlock()
  }
docs: // LogoutAll removes all established authentication credentials for the session.