import type { Ref } from 'vue';
import type { KottiTable } from './types';
/** @public */
export type SortMode = 'ascending' | 'descending';
/** @public */
export type SortInstruction = -1 | 0 | 1;
export declare function getNumericalSorter<T extends Record<string, unknown>>(mapper: (data: T) => number | null, mode: SortMode): (a: T, b: T) => SortInstruction;
export declare function getDateSorter<T extends Record<string, unknown>>(mapper: (data: T) => Date | null, mode: SortMode): (a: T, b: T) => SortInstruction;
export declare function getTextSorter<T extends Record<string, unknown>>(mapper: (data: T) => string | null, mode: SortMode): (a: T, b: T) => SortInstruction;
export declare const useLocalSort: <ROW extends KottiTable.AnyRow, COLUMN_ID extends string>({ locallySortedData, ordering, rawData, sortingFunctions, }: {
    locallySortedData: Ref<ROW[]>;
    ordering: Ref<KottiTable.Ordering<COLUMN_ID>[]>;
    rawData: Ref<ROW[]>;
    sortingFunctions: Record<COLUMN_ID, (mode: "ascending" | "descending") => (a: ROW, b: ROW) => SortInstruction>;
}) => void;