export interface CacheEntry<T> {
    value: T;
    timestamp: number;
    expiresAt: number;
}
export interface Cache {
    get<T>(key: string): T | null;
    set<T>(key: string, value: T, ttlMs?: number): void;
    has(key: string): boolean;
    delete(key: string): boolean;
    clear(): void;
    size: number;
}
export declare class LRUCache implements Cache {
    private cache;
    private maxSize;
    private defaultTTL;
    constructor(maxSize?: number, defaultTTLMs?: number);
    get<T>(key: string): T | null;
    set<T>(key: string, value: T, ttlMs?: number): void;
    has(key: string): boolean;
    delete(key: string): boolean;
    clear(): void;
    get size(): number;
    private cleanExpired;
    getStats(): {
        size: number;
        maxSize: number;
        hitRate: number;
        entries: Array<{
            key: string;
            size: number;
            age: number;
            ttl: number;
        }>;
    };
}
export declare class FileCache implements Cache {
    private memoryCache;
    private cacheDir;
    constructor(cacheDir?: string, maxMemorySize?: number);
    get<T>(key: string): T | null;
    set<T>(key: string, value: T, ttlMs?: number): void;
    has(key: string): boolean;
    delete(key: string): boolean;
    clear(): void;
    get size(): number;
}
export declare function createCache(type?: 'memory' | 'file', options?: any): Cache;
//# sourceMappingURL=cache.d.ts.map