content: package org.apache.lucene.util;
  
  /**
   * 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.
   */
  
  /**
   * This interface is used to reflect contents of {@link AttributeSource} or {@link AttributeImpl}.
   */
  public interface AttributeReflector {
  
    /**
     * This method gets called for every property in an {@link AttributeImpl}/{@link AttributeSource}
     * passing the class name of the {@link Attribute}, a key and the actual value.
     * E.g., an invocation of {@link org.apache.lucene.analysis.tokenattributes.CharTermAttributeImpl#reflectWith}
     * would call this method once using {@code org.apache.lucene.analysis.tokenattributes.CharTermAttribute.class}
     * as attribute class, {@code "term"} as key and the actual value as a String.
     */
    public void reflect(Class<? extends Attribute> attClass, String key, Object value);
    
  }
  