type StalierCacheValue = {
    updatedCount: number;
    lastUpdated: number;
    value: unknown;
};
interface StalierCacheClient {
    get(key: string): Promise<StalierCacheValue>;
    set(key: string, value: StalierCacheValue): Promise<void>;
}
interface StalierWarningLogger {
    warn(message: string): void;
}
export type StalierOptions = {
    maxAge?: number;
    staleWhileRevalidate?: number;
    logger?: StalierWarningLogger;
    cacheKey: string | (() => string);
    cacheClient: StalierCacheClient;
};
export type StalierResult<T> = {
    data: T;
    status: 'HIT' | 'MISS' | 'STALE' | 'NO_CACHE';
};
export {};