docs: function SocketManager(server) {
  
      /**
       * ### SocketManager.server
       *
       * Cyclic ref to the GameServer object containing this instance
       */
      this.server = server;
  
      /**
       * ### SocketManager.sockets
       *
       *  List of available sockets
       */
      this.sockets = {};
  
      /**
       * ### SocketManager.clients
       *
       * Maps a client ID to a socket obj (e.g. Direct or SIO)
       *
       * @see SocketManager.sockets
       */
      this.clients = {};
  
  
      this.sysLogger = server.sysLogger;
      this.msgLogger = server.msgLogger;
  }