/// <reference types="node" />
import { Transform } from 'stream';
import Source from './source';
import { ReplicationChainBuilder, ReplicationChainBuilderCallback } from './replicationChainBuilder';
import Target from './target';
/**
 * Replicates data from source to target(s)
 */
export default class Replicator {
    private readonly _defaultSource;
    private readonly _defaultSourceParams;
    /**
     * @constructor
     * @param source Source to replicate
     * @param sourceParams Source parameters
     */
    constructor(source?: Source, sourceParams?: Object);
    /**
     * Adds specified target to replication chain
     *
     * @param target Replication target
     * @param targetParams Target parameters
     * @returns Replication chain builder instance
     */
    to(target: Target, targetParams: any): ReplicationChainBuilder;
    /**
     * Adds specified transform to replication chain
     *
     * @param transform Transform
     * @param builder Builder function
     * @returns Replication chain builder instance
     */
    via(transform: Transform, builder?: ReplicationChainBuilderCallback): ReplicationChainBuilder;
}