src/vs/workbench/contrib/notebook/browser/notebookEditorWidget.ts/NotebookEditorWidget/getVisibleRangesPlusViewportAboveAndBelow
class NotebookEditorWidget:	getVisibleRangesPlusViewportAboveAndBelow(): ICellRange[] {
		return this._listViewInfoAccessor.getVisibleRangesPlusViewportAboveAndBelow();
	}