src/vs/workbench/browser/parts/views/viewFilter.ts/FilterWidget/createToolBar
class FilterWidget:	private createToolBar(container: HTMLElement): MenuWorkbenchToolBar {
		return this.instantiationService.createInstance(MenuWorkbenchToolBar, container, viewFilterMenu,
			{
				hiddenItemStrategy: HiddenItemStrategy.NoHide,
				actionViewItemProvider: (action: IAction) => {
					if (action instanceof SubmenuItemAction && action.item.submenu.id === viewFilterSubmenu.id) {
						this.moreFiltersActionViewItem = this.instantiationService.createInstance(MoreFiltersActionViewItem, action, undefined);
						this.moreFiltersActionViewItem.checked = this.isMoreFiltersChecked;
						return this.moreFiltersActionViewItem;
					}
					return undefined;
				}
			});
	}