/**
 * @slot slot - The rows of this group.
 */
export declare class SwirlTableRowGroup {
    el: HTMLElement;
    label: string;
    tooltip?: string;
    collapsible?: boolean;
    collapseButtonLabel?: string;
    isVisible: boolean;
    private tableRowElements;
    private headerRowElement;
    private toggleShowItems;
    render(): any;
}