import { Ref } from 'vue';
import { SortType, TableHeader } from './../types';
export declare function useSortableHeader(headers: Ref<TableHeader[]>, ctx: any): {
    updateSortTypes: ({ key, sortable }: TableHeader) => void;
    getSortIcon: (type: SortType) => "expandMore" | "expandLess" | "unfoldMore";
};