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) 
public final class io.netty.internal.tcnative.Buffer
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.internal.tcnative.Buffer
  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.internal.tcnative.Buffer this
         0: .line 39
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // io.netty.internal.tcnative.Buffer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/internal/tcnative/Buffer;

  public static native long address(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)J
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE
    MethodParameters:
      Name  Flags
      buf   

  public static native long size(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)J
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE
    MethodParameters:
      Name  Flags
      buf   
}
SourceFile: "Buffer.java"