docs: function (event) {
              var containerSize = this._popupContainer.getClientSize();
              if (!this._popup.isOpen || containerSize.width <= 0 || containerSize.height <= 0) {
                  // do nothing if the container is not visible
                  // or if the popup was manually hidden from external code
                  return;
              }
  
              var domElt = this._domElt;
              var maximized = this._cfg.maximized;
  
              if (domElt) {
                  // Remove width and height, they will be recalculated later, to have the content size well calculated
                  domElt.style.width = "";
                  domElt.style.height = "";
  
                  // constrain dialog to containerSize
                  this._updateDivSize(containerSize);
                  this._updateContainerSize();
              }
  
              if (maximized) {
                  this._setMaximizedHeightAndWidth(containerSize);
              }
          }