import Redis, { RedisKey, RedisOptions } from "ioredis";
interface Parser {
    parse: (text: string) => any;
    stringify: (value: any) => string;
}
interface CacheOptions {
    redis: RedisOptions | Redis;
    parser?: Parser;
}
declare type Key = RedisKey | number;
declare type Map<T> = {
    [id: string]: T;
};
declare type Awaitable<T> = T | Promise<T>;
declare const NOT_FOUND_VALUE: undefined;
declare type CacheReturn<T> = T | typeof NOT_FOUND_VALUE;
declare class Cache {
    redis: Redis;
    protected prefix: string;
    protected parser: Parser;
    constructor(options: Redis | CacheOptions);
    static bindAll(target: Cache): Cache;
    cache<T>(key: Key, fn: () => Awaitable<T>, ttl?: number): Promise<T>;
    getCache<T>(key: Key): Promise<CacheReturn<T>>;
    setCache(key: Key, value: any, ttl?: number): Promise<"OK">;
    manyCache<K extends Key, T>(keys: K[], fn: (keys: K[]) => Awaitable<Map<T> | T[]>, prefix?: Key, ttl?: number): Promise<T[]>;
    getManyCache<T = any>(keys: Key[]): Promise<CacheReturn<T>[]>;
    setManyCache(valueMap: {
        [id: string]: any;
    }, ttl?: number): Promise<"OK" | [error: Error | null, result: unknown][] | null>;
    deleteCache(...keys: Key[]): Promise<number>;
    deletePattern(pattern: string, batch?: number): Promise<void>;
    hashCache<T>(key: Key, id: Key, fn: () => Awaitable<T>): Promise<T>;
    getHashCache<T>(key: Key, id: Key): Promise<CacheReturn<T>>;
    setHashCache(key: Key, id: Key, value: any): Promise<number>;
    hashManyCache<K extends Key, T>(key: Key, ids: K[], fn: (ids: K[]) => Awaitable<Map<T> | T[]>): Promise<T[]>;
    getHashManyCache<T>(key: Key, ids: Key[]): Promise<CacheReturn<T>[]>;
    setHashManyCache(key: Key, valueMap: {
        [id: string]: any;
    }): Promise<"OK" | never[]>;
    deleteHashCache(key: Key, ...ids: Key[]): Promise<number>;
    acquire<T>(key: Key, amount: number, fn: (current: number) => Awaitable<T>, float?: boolean): Promise<T>;
    hashAcquire<T>(key: Key, id: Key, amount: number, fn: (current: number) => Awaitable<T>, float?: boolean): Promise<T>;
    protected _buildSetParams: (valueMap: {
        [id: string]: any;
    }) => string[];
}
export default Cache;