/// <reference types="node" />
import * as stream from "stream";
import { Server } from "../../../../server";
import { ConfDTO } from "../../../lib/dto/ConfDTO";
import { PeeringService } from "../../../service/PeeringService";
import { AbstractSynchronizer } from "./sync/AbstractSynchronizer";
import { BlockchainService } from "../../../service/BlockchainService";
import { FileDAL } from "../../../lib/dal/fileDAL";
export declare class Synchroniser extends stream.Duplex {
    private server;
    private syncStrategy;
    private watcher;
    private speed;
    private blocksApplied;
    constructor(server: Server, syncStrategy: AbstractSynchronizer, interactive?: boolean);
    get conf(): ConfDTO;
    get logger(): any;
    get PeeringService(): PeeringService;
    get BlockchainService(): BlockchainService;
    get dal(): FileDAL;
    _read(): void;
    _write(): void;
    private logRemaining;
    sync(to: number, chunkLen: number, askedCautious?: boolean): Promise<void>;
}