import { EventEmitter } from 'eventemitter3';
import { NIMDataSyncAPI, NIMDataSyncStatus, NIMDataSyncType } from '../nim_def/data_sync_def';
export declare interface NIMDataSyncEvents {
    /** 数据同步完成 */
    complete: [NIMDataSyncType, NIMDataSyncStatus, string];
}
export declare class NIMDataSync extends EventEmitter<NIMDataSyncEvents> {
    dataSync: NIMDataSyncAPI;
    constructor();
    /** 注册全局回调 */
    initEventHandlers(): void;
}