code: function init() {  // {{{2
  /**
   * Class constructor
   *
   * @method constructor
   * @internal
   */
  
    O.inherited(this)();
  
    this.setMaxListeners(Consts.coreListeners);
  
    this.subjectState = this.SUBJECT_STATE.INIT;
  
    this.peers = {};
    this.shards = {};
  }
docs: shards {{{2
  Object containing shards indexed by `sid`
  
  @property shards
  @type Object
  @internal
   Public {{{1