src/vs/workbench/api/common/extHostNotebookKernels.ts/NotebookCellExecutionTask/update
class NotebookCellExecutionTask:	private async update(update: ICellExecuteUpdateDto | ICellExecuteUpdateDto[]): Promise<void> {
		const updates = Array.isArray(update) ? update : [update];
		return this._proxy.$updateExecution(this._handle, new SerializableObjectWithBuffers(updates));
	}