import type { Documentation } from '../types/documentation.js';
export declare class DocumentationCache {
    private cache;
    private readonly defaultTTL;
    constructor(defaultTTLMinutes?: number);
    get(key: string): Documentation | null;
    set(key: string, documentation: Documentation, ttl?: number): void;
    generateKey(packageName: string, version?: string): string;
    clear(): void;
    size(): number;
    cleanup(): number;
}
//# sourceMappingURL=cache.d.ts.map