import type { PondoknusaRequest } from './request.js';
import type { Middleware } from './types.js';
export interface ResponseCacheStore {
    get<T = unknown>(key: string): Promise<T | null>;
    put(key: string, value: unknown, ttlSeconds?: number): Promise<void>;
}
export interface CachedHttpResponse {
    status: number;
    headers: Record<string, string>;
    body: string;
}
export interface ResponseCacheOptions {
    cache: ResponseCacheStore;
    ttlSeconds?: number;
    prefix?: string;
    /** Skip cache for authenticated requests (default true). */
    anonymousOnly?: boolean;
    /** Include selected request headers in the cache key. */
    vary?: string[];
    cacheKey?: (request: PondoknusaRequest) => string;
    shouldCache?: (request: PondoknusaRequest, response: Response) => boolean;
    isAuthenticated?: (request: PondoknusaRequest) => boolean;
}
export declare function createResponseCacheMiddleware(options: ResponseCacheOptions): Middleware;
//# sourceMappingURL=response-cache.d.ts.map