import { IMemoryIndex } from '../storage';
import { IMemoryUnit } from '../base';
/**
 * In-memory implementation of IMemoryIndex
 */
export declare class InMemoryIndex implements IMemoryIndex {
    private indexMap;
    private memories;
    index(memory: IMemoryUnit): Promise<void>;
    add(memory: IMemoryUnit): Promise<void>;
    search(query: string): Promise<string[]>;
    update(memory: IMemoryUnit): Promise<void>;
    delete(id: string): Promise<void>;
    remove(id: string): Promise<void>;
    batchIndex(memories: IMemoryUnit[]): Promise<void>;
    getMemory(id: string): Promise<IMemoryUnit | null>;
    private extractSearchTerms;
    private deepCloneWithMaps;
}