type DataLoaderWithStringKey<T> = {
    readonly batchLoadFn: (keys: readonly string[]) => Promise<readonly T[]> | readonly T[];
    readonly cacheKeyFn?: undefined;
};
type DataLoaderWithKeyFunction<T, TKey> = {
    readonly batchLoadFn: (keys: readonly TKey[]) => Promise<readonly T[]> | readonly T[];
    readonly cacheKeyFn: (key: TKey) => string;
};
export declare function createSuperDataLoader<T, TKey = string>({ batchLoadFn, cacheKeyFn, }: DataLoaderWithKeyFunction<T, TKey> | DataLoaderWithStringKey<T>): {
    load: (key: TKey) => Promise<T | undefined>;
    loadMany: (keys: readonly TKey[]) => Promise<(Awaited<T> | undefined)[]>;
    clear: (key: TKey) => void;
    clearAll: () => void;
    prime: (key: TKey, value: T) => void;
};
export default createSuperDataLoader;