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   /*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project 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:
    *
    *   https://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 io.netty.handler.timeout;
  
  import io.netty.util.internal.PlatformDependent;
  
  /**
   * A {@link TimeoutException} raised by {@link ReadTimeoutHandler} when no data
   * was read within a certain period of time.
   */
  public final class ReadTimeoutException extends TimeoutException {
  
      private static final long serialVersionUID = 169287984113283421L;
  
      public static final ReadTimeoutException INSTANCE = PlatformDependent.javaVersion() >= 7 ?
              new ReadTimeoutException(true) : new ReadTimeoutException();
  
      public ReadTimeoutException() { }
  
      public ReadTimeoutException(String message) {
          super(message, false);
      }
  
      private ReadTimeoutException(boolean shared) {
          super(null, shared);
      }
  }