import { type MemoryStore, type MemoryId, type MemoryItem, type MemoryMetadata, type MemorySearchResult, type SearchOptions } from './types.js';
export interface Mem0ClientConfig {
    /** Mem0 server base URL (default: http://localhost:11000) */
    base_url?: string;
    /** 默认 user_id, 不传则需在每次调用 opts 里指定 */
    default_user_id?: string;
    /** Mem0 server API key (self-host 默认无 auth, cloud 需要) */
    api_key?: string;
    /** fetch 超时 ms (default 10s) */
    timeout_ms?: number;
}
export declare class Mem0Client implements MemoryStore {
    private base_url;
    private default_user_id?;
    private api_key?;
    private timeout_ms;
    constructor(cfg?: Mem0ClientConfig);
    private headers;
    private fetchWithTimeout;
    private resolveUserId;
    private toItem;
    put(text: string, metadata?: MemoryMetadata): Promise<MemoryId>;
    search(query: string, opts?: SearchOptions): Promise<MemorySearchResult[]>;
    recent(limit?: number, user_id?: string): Promise<MemoryItem[]>;
    delete(id: MemoryId): Promise<boolean>;
    health(): Promise<{
        ok: boolean;
        error?: string;
        backend: string;
    }>;
}
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