src/vs/workbench/contrib/notebook/common/model/notebookTextModel.ts/NotebookOperationManager/constructor
class NotebookOperationManager:	constructor(
		private _undoService: IUndoRedoService,
		private _resource: URI,
		private _delayedEmitter: DelayedEmitter,
		private _postUndoRedo: (alternativeVersionId: string) => void
	) {
	}