import { Logger } from '@nestjs/common';
import { ConnectionGuard } from '../connection-guard';
import { Client } from '@eventstore/db-client/dist/Client';
import { ConnectionConfiguration } from '../../model';
export declare class NextConnectionGuardService implements ConnectionGuard {
    private readonly logger;
    constructor(logger: Logger);
    startConnectionLinkPinger(connection: Client, connectionConfiguration: ConnectionConfiguration): Promise<void>;
    private loadNextPing;
    private testConnection;
}