src/vs/workbench/contrib/notebook/browser/view/cellParts/cellToolbars.ts/BetweenCellToolbar/constructor
class BetweenCellToolbar:	constructor(
		private readonly _notebookEditor: INotebookEditorDelegate,
		_titleToolbarContainer: HTMLElement,
		private readonly _bottomCellToolbarContainer: HTMLElement,
		@IInstantiationService private readonly instantiationService: IInstantiationService,
		@IContextMenuService private readonly contextMenuService: IContextMenuService,
		@IContextKeyService private readonly contextKeyService: IContextKeyService,
		@IMenuService private readonly menuService: IMenuService
	) {
		super();
	}