src/vs/workbench/contrib/notebook/browser/notebookEditorWidget.ts/NotebookEditorWidget/setSelections
class NotebookEditorWidget:	setSelections(selections: ICellRange[]) {
		if (!this.viewModel) {
			return;
		}

		const focus = this.viewModel.getFocus();
		this.viewModel.updateSelectionsState({
			kind: SelectionStateType.Index,
			focus: focus,
			selections: selections
		});
	}