import type Redis from 'ioredis';
import { Loader } from '../Loader';
import type { Cache, CacheEntry } from '../types/DataSources';
import type { GetManyResult } from '../types/SyncDataSources';
import type { RedisCacheConfiguration } from './AbstractRedisCache';
import { AbstractRedisCache } from './AbstractRedisCache';
export declare class RedisCache<T> extends AbstractRedisCache<RedisCacheConfiguration, T> implements Cache<T> {
    readonly expirationTimeLoadingOperation: Loader<number>;
    ttlLeftBeforeRefreshInMsecs?: number;
    name: string;
    constructor(redis: Redis, config?: Partial<RedisCacheConfiguration>);
    delete(key: string): Promise<unknown>;
    deleteMany(keys: string[]): Promise<unknown>;
    get(key: string): Promise<T | undefined>;
    getMany(keys: string[]): Promise<GetManyResult<T>>;
    getExpirationTime(key: string): Promise<number | undefined>;
    set(key: string, value: T | null): Promise<void>;
    setMany(entries: readonly CacheEntry<T>[]): Promise<unknown>;
    close(): Promise<void>;
}