content: /*
   * 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.
   */
  package org.apache.kafka.connect.storage;
  
  import java.io.Closeable;
  import java.util.Collection;
  import java.util.Map;
  import java.util.concurrent.Future;
  
  public interface CloseableOffsetStorageReader extends Closeable, OffsetStorageReader {
  
      /**
       * {@link Future#cancel(boolean) Cancel} all outstanding offset read requests, and throw an
       * exception in all current and future calls to {@link #offsets(Collection)} and
       * {@link #offset(Map)}. This is useful for unblocking task threads which need to shut down but
       * are blocked on offset reads.
       */
      void close();
  }
  