code: function setMountState(value) {
        var ref = this.__;
        var isAnonymous = ref.isAnonymous;
  
        define(this, 'isMounted', value);
  
        if (!isAnonymous) {
          if (value) { this.trigger('mount'); }
          else {
            this.trigger('unmount');
            this.off('*');
            this.__.wasCreated = false;
          }
        }
      }
docs: Manage the mount state of a tag triggering also the observable events
  @this Tag
  @param { Boolean } value - ..of the isMounted flag