src/vs/workbench/api/browser/mainThreadTreeViews.ts/TreeViewDataProvider/constructor
class TreeViewDataProvider:	constructor(private readonly treeViewId: string,
		private readonly _proxy: ExtHostTreeViewsShape,
		private readonly notificationService: INotificationService
	) {
		this.hasResolve = this._proxy.$hasResolve(this.treeViewId);
	}