import { CacheClient } from './CacheClient';
export type RedisClientOptions = {
    host: string;
    port: number;
    db: number;
    username?: string;
    password?: string;
    enableTLS?: boolean;
    tls?: Record<string, unknown>;
    recordTTLSeconds?: number;
    retryStrategy?: (times: number) => number | null;
    onConnect?: () => void;
    onError?: (err: Error) => void;
};
export declare class RedisClient implements CacheClient {
    private static instance;
    private ioRedisClient;
    private isConnectionReady;
    private recordTTLSeconds;
    private constructor();
    static getInstance(): RedisClient;
    /**
     * Re-create the singleton instance with provided options (useful for configuration)
     */
    static configure(redisClientOptions?: Partial<RedisClientOptions>): void;
    isAvailable(): boolean;
    get(key: string): Promise<string | null>;
    set(key: string, value: string): Promise<void>;
    delete(key: string): Promise<void>;
}
declare const _default: RedisClient;
export default _default;
//# sourceMappingURL=RedisClient.d.ts.map