code: function Region(name, state) {
          var _this = _super.call(this, name, state) || this;
          /** The [[Vertex]] instances that are children of this [[Region]]. */
          _this.vertices = new Array();
          _this.parent.regions.push(_this);
          _this.getRoot().clean = false;
          return _this;
      }
docs: Creates a new instance of the [[Region]] class.
  @param name The name of the [[Region]].
  @param state The parent [[State]] that this [[Region]] will be a child of.