export interface CacheEntry {
    html: string;
    generatedAt: number;
    revalidate: number;
}
export interface CacheOptions {
    cacheDir: string;
    defaultRevalidate?: number;
}
export declare function getCachedHtml(cacheDir: string, pathname: string): Promise<CacheEntry | undefined>;
export declare function setCachedHtml(cacheDir: string, pathname: string, html: string, revalidate: number): Promise<void>;
export declare function isStale(cacheDir: string, pathname: string): Promise<boolean>;
export declare function clearCache(cacheDir: string): Promise<void>;