import { SessionInterface as Session } from '../sessions/types';
import { BaseMemoryService, SearchMemoryResponse } from './BaseMemoryService';
/**
 * An in-memory memory service for prototyping purpose only.
 * Uses keyword matching instead of semantic search.
 */
export declare class InMemoryMemoryService implements BaseMemoryService {
    private sessionEvents;
    private memoryStore;
    /**
     * Adds a session to the memory service.
     * @param session The session to add
     */
    addSessionToMemory(session: Session): Promise<void>;
    /**
     * Searches for sessions that match the query.
     * @param appName The name of the application
     * @param userId The id of the user
     * @param query The query to search for
     * @returns A SearchMemoryResponse containing the matching memories
     */
    searchMemory(appName: string, userId: string, query: string): Promise<SearchMemoryResponse>;
    /**
     * Stores a memory entry.
     * @param appName The application name
     * @param userId The user ID
     * @param key The memory key
     * @param value The memory value
     */
    store(appName: string, userId: string, key: string, value: any): Promise<void>;
    /**
     * Retrieves a memory entry.
     * @param appName The application name
     * @param userId The user ID
     * @param key The memory key
     * @returns The memory value, or undefined if not found
     */
    retrieve(appName: string, userId: string, key: string): Promise<any | undefined>;
    /**
     * Deletes a memory entry.
     * @param appName The application name
     * @param userId The user ID
     * @param key The memory key
     */
    delete(appName: string, userId: string, key: string): Promise<void>;
}