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.streams.state;
  
  import org.apache.kafka.streams.KeyValue;
  
  import java.io.Closeable;
  import java.time.Instant;
  
  /**
   * Iterator interface of {@link KeyValue} with key typed {@link Long} used for {@link WindowStore#fetch(Object, long, long)}
   * and {@link WindowStore#fetch(Object, Instant, Instant)}
   *
   * Users must call its {@code close} method explicitly upon completeness to release resources,
   * or use try-with-resources statement (available since JDK7) for this {@link Closeable} class.
   *
   * @param <V> Type of values
   */
  public interface WindowStoreIterator<V> extends KeyValueIterator<Long, V>, Closeable {
  
      @Override
      void close();
  }
  