docs: function (propType) {
          return {
              propType: propType,
              preCtorInit: function domProperty_preCtorInit(element, options, data, displayName, propName, value) {
                  element[propName] = value;
              },
              update: function domProperty_update(winjsComponent, propName, oldValue, newValue) {
                  if (oldValue !== newValue) {
                      winjsComponent.element[propName] = newValue;
                  }
              }
          };
      }