https://openjdk.java.net/ 
interface jdk.jfr.internal.instrument.JITypeMapping extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2600) ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: jdk.jfr.internal.instrument.JITypeMapping
  super_class: java.lang.Object
{
  public abstract java.lang.String from();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String to();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "JITypeMapping.java"
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME:Ljava/lang/annotation/RetentionPolicy;)