docs: function (cfg, ctxt) {
          this.$Container.constructor.apply(this, arguments);
  
          this._skinObj = aria.widgets.AriaSkinInterface.getSkinObject(this._skinnableClass, cfg.sclass);
  
          /**
           * Contains the dom element of first splitter panel
           * @protected
           * @type HTMLElement
           */
          this._splitPanel1 = null;
          /**
           * Contains the dom element of second splitter panel
           * @protected
           * @type HTMLElement
           */
          this._splitPanel2 = null;
          /**
           * Splitter height.
           * @protected
           * @type Number
           */
          this._height = null;
          /**
           * CSS class which should be applied to the splitter bar .
           * @protected
           * @type String
           */
          this._handleBarClass = null;
  
          /**
           * List of css class applied on splitter bar proxy .
           * @protected
           * @type aria.utils.ClassList
           */
          this._splitBarProxyClass = null;
  
          /**
           * Reference to the dom element
           * @protected
           * @type HTMLElement
           */
          this._splitBar = null;
  
          /**
           * Reference to the dom element
           * @protected
           * @type HTMLElement this._splitBarProxy = null; /** Reference to the Splitter Orientation
           * @protected
           * @type Boolean
           */
          this._orientation = (cfg.orientation === "horizontal") ? true : false;
  
          /**
           * Reference to Splitter Proxy CSS Class
           * @protected
           * @type String
           */
          this._addHandleCls = this._orientation ? '_sSplitBarProxyH' : '_sSplitBarProxyV';
  
          /**
           * Splitter width.
           * @protected
           * @type Number
           */
          this._width = null;
  
          /**
           * Override default widget's span style
           * @protected
           * @override
           * @type String
           */
          this._spanStyle = "overflow: hidden;";
  
          /**
           * Panel horizontal borders
           * @protected
           * @type Number
           */
          this._panelBorderH = 0;
  
          /**
           * Panel vertical borders
           * @protected
           * @type Number
           */
          this._panelBorderV = 0;
  
          /**
           * Horizontal container borders
           * @protected
           * @type Number
           */
          this._containerBorderH = 0;
  
          /**
           * Vertical container borders
           * @protected
           * @type Number
           */
          this._containerBorderV = 0;
  
          /**
           * Horizontal separator borders
           * @protected
           * @type Number
           */
          this._separatorBorderH = 0;
  
          /**
           * Vertical separator borders
           * @protected
           * @type Number
           */
          this._separatorBorderV = 0;
  
      }