http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
final class io.netty.channel.epoll.NativeStaticallyReferencedJniMethods
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: io.netty.channel.epoll.NativeStaticallyReferencedJniMethods
  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 // io.netty.channel.epoll.NativeStaticallyReferencedJniMethods this
         0: .line 31
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.netty.channel.epoll.NativeStaticallyReferencedJniMethods this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/epoll/NativeStaticallyReferencedJniMethods;

  static native int epollin();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native int epollout();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native int epollrdhup();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native int epollet();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native int epollerr();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native long ssizeMax();
    descriptor: ()J
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native int tcpMd5SigMaxKeyLen();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native int iovMax();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native int uioMaxIov();
    descriptor: ()I
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native boolean isSupportingSendmmsg();
    descriptor: ()Z
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native boolean isSupportingTcpFastopen();
    descriptor: ()Z
    flags: (0x0108) ACC_STATIC, ACC_NATIVE

  static native java.lang.String kernelVersion();
    descriptor: ()Ljava/lang/String;
    flags: (0x0108) ACC_STATIC, ACC_NATIVE
}
SourceFile: "NativeStaticallyReferencedJniMethods.java"