src/vs/workbench/api/browser/mainThreadNotebookKernels.ts/MainThreadNotebookKernels/$updateExecution
class MainThreadNotebookKernels:	$updateExecution(handle: number, data: SerializableObjectWithBuffers<ICellExecuteUpdateDto[]>): void {
		const updates = data.value;
		try {
			const execution = this._executions.get(handle);
			if (execution) {
				execution.update(updates.map(NotebookDto.fromCellExecuteUpdateDto));
			}
		} catch (e) {
			onUnexpectedError(e);
		}
	}