import type { RedisClient, RedisClientOptions } from "veryfront/extensions/distributed";
export type { RedisClient, RedisClientOptions } from "veryfront/extensions/distributed";
/** Minimal `@redis/client` factory options used by this extension. */
export interface RedisClientFactoryOptions {
    url?: string;
    socket?: {
        tls?: boolean;
        connectTimeout?: number;
        reconnectStrategy?: false;
    };
    password?: string;
    username?: string;
}
export type RedisClientFactory = (options: RedisClientFactoryOptions) => RedisClient;
export interface RedisClientManagerDependencies {
    getEnv?: (key: string) => string | undefined;
    loadFactory?: () => Promise<RedisClientFactory>;
    now?: () => number;
}
export interface RedisClientOpenLifecycle {
    signal?: AbortSignal;
    onClientCreated?(client: RedisClient): (() => Promise<void>) | void;
}
export interface RedisClientManager {
    getClient(options?: RedisClientOptions): Promise<RedisClient>;
    disconnect(): Promise<void>;
    isConfigured(options?: RedisClientOptions): boolean;
}
/** Internal handoff of a provisional client that still requires cleanup. */
export declare function takeRedisClientSetupCleanupClient(error: unknown): RedisClient | undefined;
/** Open one independently owned Redis connection. */
export declare function openRedisClient(options?: RedisClientOptions, dependencies?: RedisClientManagerDependencies, lifecycle?: RedisClientOpenLifecycle): Promise<RedisClient>;
/** Create an isolated, concurrency-safe Redis client manager. */
export declare function createRedisClientManager(dependencies?: RedisClientManagerDependencies): RedisClientManager;
/** Acquire a connection from the extension-owned shared manager. */
export declare function getRedisClient(options?: RedisClientOptions): Promise<RedisClient>;
/** Disconnect the shared manager so the next call reconnects from a clean state. */
export declare function disconnectRedisClient(): Promise<void>;
/** Report whether the shared manager has an explicit Redis endpoint. */
export declare function isRedisConfigured(options?: RedisClientOptions): boolean;
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