content: package org.apache.lucene.index;
  
  /**
   * 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.
   */
  
  import java.util.Collection;
  import java.util.Map;
  import java.io.IOException;
  
  abstract class InvertedDocEndConsumer {
    abstract InvertedDocEndConsumerPerThread addThread(DocInverterPerThread docInverterPerThread);
    abstract void flush(Map<InvertedDocEndConsumerPerThread,Collection<InvertedDocEndConsumerPerField>> threadsAndFields, SegmentWriteState state) throws IOException;
    abstract void abort();
    abstract void setFieldInfos(FieldInfos fieldInfos);
  }
  