import type { RateLimitEntry, RateLimitStore } from "./types.js";
/** Options accepted by the provider-backed Redis rate-limit store. */
export interface RedisRateLimitOptions {
    url?: string;
    keyPrefix?: string;
    /** Maximum time allowed for opening the extension-provided Redis client. */
    connectTimeoutMs?: number;
    /** Maximum time allowed for an individual Redis command. */
    operationTimeoutMs?: number;
}
/**
 * Redis rate-limit store backed by the registered Redis runtime provider.
 *
 * Core owns only the stable rate-limit facade. The Redis extension owns the
 * third-party client package, connections, and transport lifecycle.
 */
export declare class RedisRateLimitStore implements RateLimitStore {
    private readonly connection;
    private readonly keyPrefix;
    private readonly operationTimeoutMs;
    constructor(options?: RedisRateLimitOptions);
    private ensureClient;
    private storageKey;
    private withOperationTimeout;
    increment(key: string, windowMs: number): Promise<RateLimitEntry>;
    reset(key: string): Promise<void>;
    destroy(): Promise<void>;
}
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