import * as redis from "redis";
import { BasicCache } from "./BasicCache";
export declare class RedisCache extends BasicCache {
    private readonly minCompressionValueLength;
    private client;
    constructor(clientConfig: redis.ClientOpts, minCompressionValueLength?: number | null);
    exists(key: string): Promise<any>;
    get(key: string): Promise<any>;
    set(key: string, value: any, ttl: number): Promise<void>;
    delete(key: string): Promise<void>;
    deleteAll(): Promise<void>;
    migrateToCompress(prefix?: string | null): Promise<void>;
}