src/vs/workbench/contrib/notebook/common/notebookEditorModel.ts/SimpleNotebookEditorModel/constructor
class SimpleNotebookEditorModel:	constructor(
		readonly resource: URI,
		readonly viewType: string,
		private readonly _workingCopyManager: IFileWorkingCopyManager<NotebookFileWorkingCopyModel, NotebookFileWorkingCopyModel>,
		@IInstantiationService private readonly _instantiationService: IInstantiationService,
		@IFileService private readonly _fileService: IFileService
	) {
		super();
	}