import { MemoryItem, MemorySearchResult } from '../types';
export declare class MemoryRetrieval {
    search(items: MemoryItem[], keyword: string, limit?: number): MemorySearchResult[];
    recall(items: MemoryItem[], query: string, limit?: number): MemorySearchResult[];
    private tokens;
    private vector;
    private cosine;
    private recencyBoost;
    private searchScore;
}