import type { EntryStatus, KnowledgeEntry } from '../types/index.js';
export interface ExpiryPolicy {
    maxAgeDays: number;
    minReferenceCount: number;
    externalValidation?: boolean;
}
export type ExpiryReason = 'time_decay' | 'low_reference' | 'external_invalidation';
export interface ExpiredEntry {
    entry: KnowledgeEntry;
    reasons: ExpiryReason[];
    expiredAt: Date;
}
export interface CleanupEntry {
    knowledgeId: string;
    reason: ExpiryReason;
    previousStatus: EntryStatus;
    action: 'removed';
}
export interface CleanupReport {
    entries: CleanupEntry[];
    cleanedAt: Date;
    summary: {
        total: number;
        removed: number;
        reasons: Record<ExpiryReason, number>;
    };
}
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