/**
 * Sync service for browser-use TypeScript
 */
import { EventEmitter } from 'events';
import { SyncConfig, SyncDataType, SyncStatus } from './types';
/**
 * Sync service for synchronizing data with cloud
 */
export declare class SyncService extends EventEmitter {
    private config;
    private authService;
    private pendingOperations;
    private syncTimer;
    private connected;
    private lastSyncTime;
    constructor(config?: Partial<SyncConfig>);
    /**
     * Get current sync status
     */
    getStatus(): SyncStatus;
    /**
     * Create a sync item
     */
    createItem(type: SyncDataType, data: Record<string, any>): Promise<string>;
    /**
     * Update a sync item
     */
    updateItem(id: string, type: SyncDataType, data: Record<string, any>): Promise<void>;
    /**
     * Delete a sync item
     */
    deleteItem(id: string, type: SyncDataType): Promise<void>;
    /**
     * Authenticate with the sync service
     */
    authenticate(apiKey?: string, userId?: string): Promise<void>;
    /**
     * Perform immediate sync
     */
    syncNow(): Promise<void>;
    /**
     * Start sync service
     */
    start(): Promise<void>;
    /**
     * Stop sync service
     */
    stop(): Promise<void>;
    /**
     * Initialize the sync service
     */
    private initialize;
    /**
     * Test connection to sync service
     */
    private testConnection;
    /**
     * Send operations to sync service
     */
    private sendOperations;
    /**
     * Start the periodic sync timer
     */
    private startSyncTimer;
}
/**
 * Get the global sync service instance
 */
export declare function getSyncService(): SyncService;
/**
 * Initialize sync service with custom configuration
 */
export declare function initializeSync(config?: Partial<SyncConfig>): SyncService;
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