/**
 * [INPUT]: text content, MemoryEntry with scope/ttl
 * [OUTPUT]: sanitized text, scope-filtered entries, ttl-expired entries removed
 * [POS]: MemoryOps layer — scope isolation, TTL enforcement, PII filtering
 */
import type { MemoryEntry, MemoryScope, WorkEntry } from "./types.js";
export declare function filterPII(text: string): string;
export declare function matchesScope(entry: {
    scope?: MemoryScope;
}, required?: MemoryScope): boolean;
export declare function filterByScope<T extends {
    scope?: MemoryScope;
}>(entries: T[], scope?: MemoryScope): T[];
export declare function evictExpiredEntries(entries: MemoryEntry[]): MemoryEntry[];
export declare function evictExpiredWork(entries: WorkEntry[]): WorkEntry[];