import type { KnowledgeEntry } from '../types/index.js';
import type { ExpiredEntry, ExpiryPolicy } from './lifecycle-types.js';
export declare class ExpiryDetector {
    private readonly now;
    constructor(options?: {
        now?: () => Date;
    });
    detect(entries: KnowledgeEntry[], policy: ExpiryPolicy): ExpiredEntry[];
    private detectReasons;
}
//# sourceMappingURL=expiry-detector.d.ts.map