/**
 * Simple in-memory cache with TTL support
 */
declare class Cache {
    private store;
    /**
     * Get cached value if not expired
     */
    get<T>(key: string): T | null;
    /**
     * Set cache value with TTL in milliseconds
     */
    set<T>(key: string, data: T, ttl: number): void;
    /**
     * Check if key exists and is not expired
     */
    has(key: string): boolean;
    /**
     * Clear all cached entries
     */
    clear(): void;
    /**
     * Get cache stats
     */
    stats(): {
        entries: number;
        keys: string[];
    };
}
export declare const cache: Cache;
export declare const TTL: {
    readonly PLUGINS: number;
    readonly MCP_SERVERS: number;
    readonly AWESOME_LISTS: number;
    readonly SKILLSMP: number;
    readonly SMITHERY: number;
    readonly MCP_REGISTRY: number;
    readonly NPM_REGISTRY: number;
    readonly PLAYBOOKS: number;
};
export {};