http://bytebuddy.net/byte-buddy-dep: Byte Buddy is a Java library for creating Java classes at run time. This artifact is a build of Byte Buddy with a remaining dependency onto ASM. You should never depend on this module without repackaging Byte Buddy and ASM into your own namespace. 
public interface net.bytebuddy.implementation.bind.annotation.This extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: net.bytebuddy.implementation.bind.annotation.This
  super_class: java.lang.Object
{
  public abstract boolean optional();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false
}
SourceFile: "This.java"
NestMembers:
  net.bytebuddy.implementation.bind.annotation.This$Binder
InnerClasses:
  public final Binder = net.bytebuddy.implementation.bind.annotation.This$Binder of net.bytebuddy.implementation.bind.annotation.This
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Documented()
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME:Ljava/lang/annotation/RetentionPolicy;)
      java.lang.annotation.Target(value = {java.lang.annotation.ElementType.PARAMETER:Ljava/lang/annotation/ElementType;})