code: function (oEvent) {
  				var aPopoverContent = this._aSubClasses.map(function (oElement) {
  					return new Link({
  						text: oElement,
  						href: "#/api/" + oElement
  					}).addStyleClass("sapUiTinyMarginBottom sapUiTinyMarginEnd");
  				}), oPopover = this._getSubClassesAndImplementationsPopover(aPopoverContent);
  
  				oPopover.openBy(oEvent.getSource());
  			}
docs: Opens the Popover, which displays the entity subclasses, if the entity is a class.
  Or, it displays the direct implementations, if the entity is interface.