export declare class CacheManager {
    private cacheDir;
    constructor();
    static hashKey(endpoint: string, body: unknown): string;
    get(key: string): unknown | null;
    set(key: string, endpoint: string, response: unknown, ttlMs?: number): void;
    clear(): {
        count: number;
        bytes: number;
    };
    info(): {
        entries: number;
        totalBytes: number;
    };
    private evictIfNeeded;
}