src/vs/workbench/contrib/notebook/browser/contrib/find/notebookFindWidget.ts/NotebookFindContrib/constructor
class NotebookFindContrib:	constructor(
		private readonly notebookEditor: INotebookEditor,
		@IInstantiationService private readonly instantiationService: IInstantiationService,
	) {
		super();

		this.widget = new Lazy(() => this._register(this.instantiationService.createInstance(NotebookFindWidget, this.notebookEditor)));
	}