src/vs/workbench/contrib/notebook/browser/notebookExecutionStateServiceImpl.ts/CellExecution/constructor
class CellExecution:	constructor(
		readonly cellHandle: number,
		private readonly _notebookModel: NotebookTextModel,
		@ILogService private readonly _logService: ILogService,
	) {
		super();
		this._logService.debug(`CellExecution#ctor ${this.getCellLog()}`);
		const startExecuteEdit: ICellEditOperation = {
			editType: CellEditType.PartialInternalMetadata,
			handle: this.cellHandle,
			internalMetadata: {
				runStartTime: null,
				runEndTime: null,
				lastRunSuccess: null,
				executionOrder: null,
			}
		};
		this._applyExecutionEdits([startExecuteEdit]);
	}