content: /*
   * Copyright 2010 Proofpoint, Inc.
   *
   * Licensed 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.
   */
  package io.airlift.discovery.client;
  
  import com.google.common.util.concurrent.ListenableFuture;
  import io.airlift.units.Duration;
  
  import java.util.Set;
  import java.util.concurrent.TimeUnit;
  
  public interface DiscoveryAnnouncementClient
  {
      Duration DEFAULT_DELAY = new Duration(10, TimeUnit.SECONDS);
  
      ListenableFuture<Duration> announce(Set<ServiceAnnouncement> services);
  
      ListenableFuture<Void> unannounce();
  }
  