import { NextCacheHandlerContext, CacheHandlerContext, CacheEntry, IncrementalCacheValue, CacheConfig, CacheHandler } from '../src/types';
export declare enum HEADER_DEVICE_TYPE {
    Desktop = "cloudfront-is-desktop-viewer",
    Mobile = "cloudfront-is-mobile-viewer",
    SmartTV = "cloudfront-is-smarttv-viewer",
    Tablet = "cloudfront-is-tablet-viewer"
}
export declare class CacheError extends Error {
    readonly cause?: unknown;
    constructor(message: string, cause?: unknown);
}
export declare class CacheKeyError extends CacheError {
    constructor(message: string, cause?: unknown);
}
export declare const CURRENT_CACHE_KEY_HEADER_NAME = "x-current-cache-key";
export declare class Cache implements CacheHandler {
    private static config;
    nextOptions: NextCacheHandlerContext;
    cookieCacheKey: string;
    queryCacheKey: string;
    pageCacheKey: string;
    deviceCacheKey: string;
    serverCacheDirPath: string;
    isAppRouter: boolean;
    constructor(nextOptions: NextCacheHandlerContext);
    buildCacheKey(keys: string[], data: Record<string, string>, prefix: string): string;
    buildCookiesCacheKey(): string;
    buildQueryCacheKey(): string;
    private parseQueryString;
    getCurrentDeviceType(): string;
    buildPageCacheKey(): string;
    checkIsStaleCache(pageData: CacheEntry): boolean;
    checkIsPathToCache(pageKey: string): boolean;
    removeSlashFromStart(value: string): string;
    get(pageKey: string): Promise<CacheEntry | null>;
    private transformCacheData;
    set(pageKey: string, data: IncrementalCacheValue | null, ctx: CacheHandlerContext): Promise<void>;
    revalidateTag(tags: string | string[]): Promise<void>;
    static setConfig(config: Partial<Omit<CacheConfig, 'noCacheMatchers'> & {
        noCacheMatchers: (RegExp | string)[];
    }>): typeof Cache;
}