export declare abstract class Redis {
    private client;
    /**
     * 初始化 redis
     * @param redisUrl 连接
     * @param redisPwd 密码
     */
    protected abstract config(): {
        redisUrl: string;
        redisPwd: string;
        db?: number;
    };
    constructor();
    /**
     *
     * @param {string} key
     * @returns {Promise<string>}
     */
    get(key: string): Promise<string>;
    /**
     *
     * @param {string} key
     * @param {string} value
     * @param {number} exprires 过期时间 seconds
     */
    set(key: string, value: string, exprires: number): Promise<any>;
    /**
     *
     * @param {string} key
     
     */
    del(key: string): Promise<unknown>;
    /**
     *
     * @param {string} pattern
     
     */
    dels(pattern: string): Promise<unknown>;
}