import { Chain, Block } from '@liskhq/lisk-chain';
import { BaseSynchronizer } from './base_synchronizer';
import { Logger } from '../../../logger';
import { BlockExecutor } from './type';
interface SynchronizerInput {
    readonly logger: Logger;
    readonly chainModule: Chain;
    readonly blockExecutor: BlockExecutor;
    readonly mechanisms: BaseSynchronizer[];
}
export declare class Synchronizer {
    protected logger: Logger;
    private readonly chainModule;
    private readonly _mutex;
    private readonly blockExecutor;
    private readonly mechanisms;
    constructor({ logger, chainModule, blockExecutor, mechanisms }: SynchronizerInput);
    init(): Promise<void>;
    run(receivedBlock: Block, peerId: string): Promise<void>;
    get isActive(): boolean;
    stop(): Promise<void>;
    private _determineSyncMechanism;
    private _checkMechanismsInterfaces;
}
export {};