/*!
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
/// <reference types="node" />
import Client from './Client';
import { ManagementServiceClient } from '../../../../proto/management/Management_grpc_pb';
declare class HeartbeatClient implements Client {
    heartbeatClient: ManagementServiceClient;
    heartbeatTimer?: NodeJS.Timeout;
    constructor();
    get isConnected(): boolean;
    start(): void;
}
declare const _default: HeartbeatClient;
export default _default;