src/vs/workbench/api/browser/mainThreadNotebookEditors.ts/MainThreadNotebookEditors/$trySetSelections
class MainThreadNotebookEditors:	$trySetSelections(id: string, ranges: ICellRange[]): void {
		const editor = this._notebookEditorService.getNotebookEditor(id);
		if (!editor) {
			return;
		}

		editor.setSelections(ranges);

		if (ranges.length) {
			editor.setFocus({ start: ranges[0].start, end: ranges[0].start + 1 });
		}
	}