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   /*
    * Copyright 2016 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.codec.http2;
  
  import io.netty.util.internal.UnstableApi;
  
  import static io.netty.util.internal.ObjectUtil.checkNotNull;
  
  /**
   * An HTTP/2 exception for a specific {@link Http2FrameStream}.
   */
  @UnstableApi
  public final class Http2FrameStreamException extends Exception {
  
      private static final long serialVersionUID = -4407186173493887044L;
  
      private final Http2Error error;
      private final Http2FrameStream stream;
  
      public Http2FrameStreamException(Http2FrameStream stream, Http2Error error, Throwable cause) {
          super(cause.getMessage(), cause);
          this.stream = checkNotNull(stream, "stream");
          this.error = checkNotNull(error, "error");
      }
  
      public Http2Error error() {
          return error;
      }
  
      public Http2FrameStream stream() {
          return stream;
      }
  }