How to use the lit-element.queryAll function in lit-element

}

export interface DataTableRowData {
  [key: string]: any;
}

@customElement("ha-data-table")
export class HaDataTable extends BaseElement {
  @property({ type: Object }) public columns: DataTableColumnContainer = {};
  @property({ type: Array }) public data: DataTableRowData[] = [];
  @property({ type: Boolean }) public selectable = false;
  @property({ type: String }) public id = "id";
  protected mdcFoundation!: MDCDataTableFoundation;
  protected readonly mdcFoundationClass = MDCDataTableFoundation;
  @query(".mdc-data-table") protected mdcRoot!: HTMLElement;
  @queryAll(".mdc-data-table__row") protected rowElements!: HTMLElement[];
  @query("#header-checkbox") private _headerCheckbox!: HaCheckbox;
  @property({ type: Boolean }) private _filterable = false;
  @property({ type: Boolean }) private _headerChecked = false;
  @property({ type: Boolean }) private _headerIndeterminate = false;
  @property({ type: Array }) private _checkedRows: string[] = [];
  @property({ type: String }) private _filter = "";
  @property({ type: String }) private _sortColumn?: string;
  @property({ type: String }) private _sortDirection: SortingDirection = null;
  @property({ type: Array }) private _filteredData: DataTableRowData[] = [];
  private _sortColumns: {
    [key: string]: DataTableSortColumnData;
  } = {};
  private curRequest = 0;
  private _worker: any | undefined;

  private _debounceSearch = debounce(