public final class jdk.nio.Channels
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: jdk.nio.Channels
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.nio.Channels this
         0: .line 52
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // jdk.nio.Channels this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/nio/Channels;

  public static java.nio.channels.SelectableChannel readWriteSelectableChannel(java.io.FileDescriptor, jdk.nio.Channels$SelectableChannelCloser);
    descriptor: (Ljava/io/FileDescriptor;Ljdk/nio/Channels$SelectableChannelCloser;)Ljava/nio/channels/SelectableChannel;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // java.io.FileDescriptor fd
        start local 1 // jdk.nio.Channels$SelectableChannelCloser closer
         0: .line 155
            aload 1 /* closer */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 156
            aload 0 /* fd */
            invokevirtual java.io.FileDescriptor.valid:()Z
            ifne 3
         2: .line 157
            new java.lang.IllegalArgumentException
            dup
            ldc "file descriptor is not valid"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 159
      StackMap locals:
      StackMap stack:
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 2 /* sm */
        start local 2 // java.lang.SecurityManager sm
         4: .line 160
            aload 2 /* sm */
            ifnull 7
         5: .line 161
            aload 2 /* sm */
            aload 0 /* fd */
            invokevirtual java.lang.SecurityManager.checkRead:(Ljava/io/FileDescriptor;)V
         6: .line 162
            aload 2 /* sm */
            aload 0 /* fd */
            invokevirtual java.lang.SecurityManager.checkWrite:(Ljava/io/FileDescriptor;)V
         7: .line 165
      StackMap locals: java.lang.SecurityManager
      StackMap stack:
            invokestatic java.nio.channels.spi.SelectorProvider.provider:()Ljava/nio/channels/spi/SelectorProvider;
            astore 3 /* provider */
        start local 3 // java.nio.channels.spi.SelectorProvider provider
         8: .line 166
            aload 3 /* provider */
            instanceof sun.nio.ch.SelectorProviderImpl
            ifne 10
         9: .line 167
            new java.lang.UnsupportedOperationException
            dup
            ldc "custom SelectorProvider"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 169
      StackMap locals: java.nio.channels.spi.SelectorProvider
      StackMap stack:
            new jdk.nio.Channels$ReadWriteChannelImpl
            dup
            aload 3 /* provider */
            checkcast sun.nio.ch.SelectorProviderImpl
            aload 0 /* fd */
            aload 1 /* closer */
            invokespecial jdk.nio.Channels$ReadWriteChannelImpl.<init>:(Lsun/nio/ch/SelectorProviderImpl;Ljava/io/FileDescriptor;Ljdk/nio/Channels$SelectableChannelCloser;)V
            areturn
        end local 3 // java.nio.channels.spi.SelectorProvider provider
        end local 2 // java.lang.SecurityManager sm
        end local 1 // jdk.nio.Channels$SelectableChannelCloser closer
        end local 0 // java.io.FileDescriptor fd
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   11     0        fd  Ljava/io/FileDescriptor;
            0   11     1    closer  Ljdk/nio/Channels$SelectableChannelCloser;
            4   11     2        sm  Ljava/lang/SecurityManager;
            8   11     3  provider  Ljava/nio/channels/spi/SelectorProvider;
    MethodParameters:
        Name  Flags
      fd      
      closer  
}
SourceFile: "Channels.java"
NestMembers:
  jdk.nio.Channels$ReadWriteChannelImpl  jdk.nio.Channels$SelectableChannelCloser
InnerClasses:
  private final ReadWriteChannelImpl = jdk.nio.Channels$ReadWriteChannelImpl of jdk.nio.Channels
  public abstract SelectableChannelCloser = jdk.nio.Channels$SelectableChannelCloser of jdk.nio.Channels