function _createFilterSelectedButton() {
			var sIconURI = IconPool.getIconURI("multiselect-all");
			var sSelectedItemsIconText = Library.getResourceBundleFor("sap.m").getText("SHOW_SELECTED_BUTTON");

			return new ToggleButton({
				icon: sIconURI,
				tooltip: sSelectedItemsIconText
			});
		}
Returns a reference to the button inside the dialog, associated with filtering actions in multi selection scenarios.

@return {sap.m.Button} The button
@private