import IoRedis from 'ioredis';
export declare class RedisConfig {
    host: string;
    port: number;
    password: string;
    db: number;
    onConnected: () => void;
    constructor(host: string, port: number, password?: string, db?: number);
}
export declare class Redis {
    _config: any;
    _db: IoRedis.Redis;
    _isConnected: boolean;
    /**
     *
     * @param config
     * {
     *     host: {type: 'string'},
     *     port: {type: 'number'},
     *     password: {type: 'string'},
     *     db: {type: 'number'},
     *     onConnected: {type: 'function'}
     * }
     */
    constructor(config: RedisConfig);
    connect(): Promise<void>;
    isConnected(): Promise<boolean>;
    disconnect(): Promise<void>;
    get instance(): IoRedis.Redis;
}