src/vs/workbench/contrib/notebook/browser/notebookEditorWidget.ts/ListViewInfoAccessor/getCellsFromViewRange
class ListViewInfoAccessor:	getCellsFromViewRange(startIndex: number, endIndex: number): ReadonlyArray<ICellViewModel> {
		if (!this.list.viewModel) {
			return [];
		}

		const range = this.getCellRangeFromViewRange(startIndex, endIndex);
		if (!range) {
			return [];
		}

		return this.list.viewModel.getCells(range);
	}