content: package net.sf.expectit;
  
  /*
   * #%L
   * ExpectIt
   * %%
   * Copyright (C) 2014 Alexey Gavrilov and contributors
   * %%
   * 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.
   * #L%
   */
  
  import java.io.IOException;
  
  /**
   * An adapter class making unused methods throw exceptions.
   */
  abstract class AppendableAdapter implements Appendable {
      @Override
      public Appendable append(CharSequence csq, int start, int end) throws IOException {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public Appendable append(char c) throws IOException {
          throw new UnsupportedOperationException();
      }
  }
  