import Redis from 'ioredis';
export declare function initializeRedis(): Promise<Redis | null>;
export declare function getRedisClient(): Redis | null;
export declare function isRedisAvailable(): boolean;
export declare function closeRedis(): Promise<void>;
export declare function checkRedisHealth(): Promise<{
    available: boolean;
    latency?: number;
    error?: string;
}>;
export declare function testRedisConnection(): Promise<boolean>;
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