/// <reference types="node" />
import { Transform } from 'stream';
import Promise from 'bluebird';
import Source from './source';
import Target from './target';
export interface ReplicationChainBuilderCallback {
    (builder: ReplicationChainBuilder): void;
}
export declare class ReplicationChainBuilder {
    private _chains;
    /**
     * @constructor
     *
     * @param that Builder to copy
     */
    constructor(that?: ReplicationChainBuilder);
    /**
     * Starts a chain using specified source
     *
     * @param source Source to replicate
     * @param sourceParams Source parameters
     * @param builder Chain builder
     */
    from(source: Source, sourceParams: Object, builder?: ReplicationChainBuilderCallback): this;
    /**
     * Adds a transform to last chain
     *
     * @param transform Transform
     * @param builder Builder function
     */
    via(transform: Transform, builder?: ReplicationChainBuilderCallback): this;
    /**
     * Ends a chain using specified target
     *
     * @param target Replication target
     * @param targetParams Target parameters
     * @returns This instance for chaining purposes
     */
    to(target: Target, targetParams: any): this;
    /**
     * Replicates data
     */
    replicate(chainsCallback?: Function): Promise<{}[]>;
    /**
     * Returns complete chains
     */
    toChains(): any[];
    /**
     * Checks if chain is complete
     */
    static _isComplete(chain: any): boolean;
}