src/vs/workbench/api/browser/mainThreadNotebookDocuments.ts/MainThreadNotebookDocuments/$trySaveNotebook
class MainThreadNotebookDocuments:	async $trySaveNotebook(uriComponents: UriComponents) {
		const uri = URI.revive(uriComponents);

		const ref = await this._notebookEditorModelResolverService.resolve(uri);
		const saveResult = await ref.object.save();
		ref.dispose();
		return saveResult;
	}