docs: function () {
              // store current options to reapply them when unmaximized
              this._optionsBeforeMaximize = this._createOptionsBeforeMaximize(this._cfg);
  
              this.setProperty("center", false);
              this.setProperty("maxWidth", null);
              this.setProperty("maxHeight", null);
              if (this._popup && this._popup.isOpen) {
                  // proceed with maximization
                  this._popup.conf.maximized = true;
                  this._popup.conf.offset = this._shadows;
  
                  this._setContainerOverflow("hidden");
                  this._setMaximizedHeightAndWidth();
  
                  this._destroyResizable();
                  this._destroyDraggable();
              }
          }