import type { IDataSource } from './data-source.js';
import type { SqliteStore } from './sqlite-store.js';
export interface ISyncOptions {
    force?: boolean;
    batchSize?: number;
}
export interface ISyncProgress {
    sourceId: string;
    status: 'idle' | 'syncing' | 'completed' | 'error';
    progress: number;
    total?: number;
    synced?: number;
    error?: string;
    startedAt?: number;
    completedAt?: number;
}
export interface ISyncManagerConfig {
    syncIntervalMs?: number;
    minSyncIntervalMs?: number;
    maxRetries?: number;
}
export declare class SyncManager {
    private readonly store;
    private readonly dataSources;
    private readonly config;
    private readonly progress;
    private syncInterval;
    private isSyncing;
    constructor(store: SqliteStore, config?: ISyncManagerConfig);
    registerDataSource(dataSource: IDataSource): void;
    unregisterDataSource(sourceId: string): void;
    getProgress(sourceId?: string): ISyncProgress | Map<string, ISyncProgress>;
    startBackgroundSync(): void;
    stopBackgroundSync(): void;
    syncAll(options?: ISyncOptions): Promise<Map<string, ISyncProgress>>;
    syncSource(sourceId: string, dataSource?: IDataSource, options?: ISyncOptions): Promise<ISyncProgress>;
}
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