import type { CatalogCacheEntry } from '../types/index.js';
export declare const DEFAULT_TTL_MS: number;
export declare const CACHE_FILENAME = "catalog-cache.json";
export declare const CACHE_PREV_FILENAME = "catalog-cache.prev.json";
export declare const CACHE_SUBDIR = "cache";
export declare function getCachePath(): string;
export declare function getSourceCacheDir(): string;
export declare function getSourceCachePath(id: string): string;
export declare function getSourceCachePrevPath(id: string): string;
export declare function loadCache(): CatalogCacheEntry | null;
export declare function saveCache(entry: CatalogCacheEntry): void;
export declare function backupCache(): void;
export declare function rollbackCache(): boolean;
export declare function loadSourceCache(id: string): CatalogCacheEntry | null;
export declare function saveSourceCache(id: string, entry: CatalogCacheEntry): void;
export declare function backupSourceCache(id: string): void;
export declare function rollbackSourceCache(id: string): boolean;
export declare function isCacheValid(entry: CatalogCacheEntry, ttlMs?: number): boolean;