import type { Redis } from "ioredis";
export declare function readSpotlightRedisKeyPrefix(): string;
export declare function spotlightRedisKey(...parts: string[]): string;
export declare function resolveSpotlightRedisUrl(): string | null;
export declare function isSpotlightRedisConfigured(): boolean;
/** Spotlight 专用 Redis（建议 DB index 2+，与 Yuxi ARQ/run 的 DB 0 隔离）。 */
export declare function getSpotlightRedisClient(): Promise<Redis | null>;
export declare function closeSpotlightRedisClient(): Promise<void>;
export declare function resetSpotlightRedisClientForTests(): void;
//# sourceMappingURL=redisClient.d.ts.map