import { ArrayData } from './array-wrapper';
/**
 * @description this can consume lot of memory, need to manually invoke edit_distance.clear() to free the caches
 * */
export declare const edit_distance: (<A>(s: ArrayData<A> | A[] | string, t: ArrayData<A> | A[] | string, loop?: boolean) => number) & {
    clear: () => void;
    cache: import("./map-map").MapMap<number, import("./map-map").MapMap<any, any>>;
};