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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.channel.kqueue;
  
  import io.netty.channel.ChannelOption;
  import io.netty.channel.RecvByteBufAllocator;
  import io.netty.channel.unix.UnixChannelOption;
  import io.netty.util.internal.UnstableApi;
  
  @UnstableApi
  public final class KQueueChannelOption<T> extends UnixChannelOption<T> {
      public static final ChannelOption<Integer> SO_SNDLOWAT = valueOf(KQueueChannelOption.class, "SO_SNDLOWAT");
      public static final ChannelOption<Boolean> TCP_NOPUSH = valueOf(KQueueChannelOption.class, "TCP_NOPUSH");
      public static final ChannelOption<AcceptFilter> SO_ACCEPTFILTER =
              valueOf(KQueueChannelOption.class, "SO_ACCEPTFILTER");
      /**
       * If this is {@code true} then the {@link RecvByteBufAllocator.Handle#guess()} will be overridden to always attempt
       * to read as many bytes as kqueue says are available.
       */
      public static final ChannelOption<Boolean> RCV_ALLOC_TRANSPORT_PROVIDES_GUESS =
              valueOf(KQueueChannelOption.class, "RCV_ALLOC_TRANSPORT_PROVIDES_GUESS");
  
      @SuppressWarnings({ "unused", "deprecation" })
      private KQueueChannelOption() {
      }
  }