docs: function (scrollPositions) {
              var containerDiv = this.getContainerDiv();
              if (containerDiv && scrollPositions) {
                  if (scrollPositions.hasOwnProperty('scrollLeft') && scrollPositions.scrollLeft != null) {
                      containerDiv.scrollLeft = scrollPositions.scrollLeft;
                  }
                  if (scrollPositions.hasOwnProperty('scrollTop') && scrollPositions.scrollTop != null) {
                      containerDiv.scrollTop = scrollPositions.scrollTop;
                  }
              }
          }