class sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder
  super_class: java.lang.Object
{
  static final java.util.Set<java.net.SocketOption<?>> defaultOptions;
    descriptor: Ljava/util/Set;
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Set<Ljava/net/SocketOption<*>;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 228
            invokestatic sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder.defaultOptions:()Ljava/util/Set;
            putstatic sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder.defaultOptions:Ljava/util/Set;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder this
         0: .line 227
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/nio/ch/SocketChannelImpl$DefaultOptionsHolder;

  private static java.util.Set<java.net.SocketOption<?>> defaultOptions();
    descriptor: ()Ljava/util/Set;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=0
         0: .line 231
            new java.util.HashSet
            dup
            bipush 8
            invokespecial java.util.HashSet.<init>:(I)V
            astore 0 /* set */
        start local 0 // java.util.HashSet set
         1: .line 232
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.SO_SNDBUF:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         2: .line 233
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.SO_RCVBUF:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         3: .line 234
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.SO_KEEPALIVE:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         4: .line 235
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.SO_REUSEADDR:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         5: .line 236
            invokestatic sun.nio.ch.Net.isReusePortAvailable:()Z
            ifeq 7
         6: .line 237
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.SO_REUSEPORT:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         7: .line 239
      StackMap locals: java.util.HashSet
      StackMap stack:
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.SO_LINGER:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         8: .line 240
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.TCP_NODELAY:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
         9: .line 242
            aload 0 /* set */
            getstatic java.net.StandardSocketOptions.IP_TOS:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
        10: .line 243
            aload 0 /* set */
            getstatic sun.nio.ch.ExtendedSocketOption.SO_OOBINLINE:Ljava/net/SocketOption;
            invokevirtual java.util.HashSet.add:(Ljava/lang/Object;)Z
            pop
        11: .line 245
            invokestatic sun.net.ext.ExtendedSocketOptions.getInstance:()Lsun/net/ext/ExtendedSocketOptions;
        12: .line 244
            astore 1 /* extendedOptions */
        start local 1 // sun.net.ext.ExtendedSocketOptions extendedOptions
        13: .line 246
            aload 0 /* set */
            aload 1 /* extendedOptions */
            invokevirtual sun.net.ext.ExtendedSocketOptions.options:()Ljava/util/Set;
            invokevirtual java.util.HashSet.addAll:(Ljava/util/Collection;)Z
            pop
        14: .line 247
            aload 0 /* set */
            invokestatic java.util.Collections.unmodifiableSet:(Ljava/util/Set;)Ljava/util/Set;
            areturn
        end local 1 // sun.net.ext.ExtendedSocketOptions extendedOptions
        end local 0 // java.util.HashSet set
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            1   15     0              set  Ljava/util/HashSet<Ljava/net/SocketOption<*>;>;
           13   15     1  extendedOptions  Lsun/net/ext/ExtendedSocketOptions;
    Signature: ()Ljava/util/Set<Ljava/net/SocketOption<*>;>;
}
SourceFile: "SocketChannelImpl.java"
NestHost: sun.nio.ch.SocketChannelImpl
InnerClasses:
  private DefaultOptionsHolder = sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder of sun.nio.ch.SocketChannelImpl