import type { Fn } from '../@aileron/declare/index.js';
import type { BatchLoader, MapLike } from '../type.js';
export declare const prepareBatchLoader: <Key, Value>(batchLoader: BatchLoader<Key, Value>) => BatchLoader<Key, Value>;
export declare const prepareBatchScheduler: (batchScheduler?: Fn<[task: Fn]>) => Fn<[task: Fn]>;
export declare const prepareMaxBatchSize: (options?: {
    maxBatchSize?: number;
    disableBatch?: boolean;
}) => number;
export declare const prepareCacheMap: <CacheKey, Value>(cacheMap?: MapLike<CacheKey, Promise<Value>> | false) => MapLike<CacheKey, Promise<Value>> | null;
export declare const prepareCacheKeyFn: <Key, CacheKey>(cacheKeyFn?: Fn<[key: Key], CacheKey>) => Fn<[key: Key], CacheKey>;