src/vs/workbench/browser/actions.ts/CompositeMenuActions/constructor
class CompositeMenuActions:	constructor(
		readonly menuId: MenuId,
		private readonly contextMenuId: MenuId | undefined,
		private readonly options: IMenuActionOptions | undefined,
		@IContextKeyService private readonly contextKeyService: IContextKeyService,
		@IMenuService private readonly menuService: IMenuService,
	) {
		super();

		this.menuActions = this._register(new MenuActions(menuId, this.options, menuService, contextKeyService));

		this._register(this.menuActions.onDidChange(() => this._onDidChange.fire()));
	}