type Col = {
    id: string;
    label: string;
};
type Props = {
    /** Columns that can be grouped on. */
    columns: Col[];
    /** Current group-by column ids, outer to inner. */
    groupBy: string[];
    /** Called with the new group-by order. */
    onChange: (groupBy: string[]) => void;
    /** Text shown when nothing is grouped. */
    placeholder?: string;
};
declare const SvRowGroupPanel: import("svelte").Component<Props, {}, "">;
type SvRowGroupPanel = ReturnType<typeof SvRowGroupPanel>;
export default SvRowGroupPanel;