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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.StringUtil;
  import io.netty.util.internal.UnstableApi;
  
  /**
   * The default {@link Http2WindowUpdateFrame} implementation.
   */
  @UnstableApi
  public class DefaultHttp2WindowUpdateFrame extends AbstractHttp2StreamFrame implements Http2WindowUpdateFrame {
  
      private final int windowUpdateIncrement;
  
      public DefaultHttp2WindowUpdateFrame(int windowUpdateIncrement) {
          this.windowUpdateIncrement = windowUpdateIncrement;
      }
  
      @Override
      public DefaultHttp2WindowUpdateFrame stream(Http2FrameStream stream) {
          super.stream(stream);
          return this;
      }
  
      @Override
      public String name() {
          return "WINDOW_UPDATE";
      }
  
      @Override
      public int windowSizeIncrement() {
          return windowUpdateIncrement;
      }
  
      @Override
      public String toString() {
          return StringUtil.simpleClassName(this) +
                  "(stream=" + stream() + ", windowUpdateIncrement=" + windowUpdateIncrement + ')';
      }
  }