https://www.graalvm.org/ 
public interface com.oracle.truffle.dsl.processor.ProcessorContext$ProcessCallback
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.truffle.dsl.processor.ProcessorContext$ProcessCallback
  super_class: java.lang.Object
{
  public abstract void callback(javax.lang.model.element.TypeElement);
    descriptor: (Ljavax/lang/model/element/TypeElement;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      template  
}
SourceFile: "ProcessorContext.java"
NestHost: com.oracle.truffle.dsl.processor.ProcessorContext
InnerClasses:
  public abstract ProcessCallback = com.oracle.truffle.dsl.processor.ProcessorContext$ProcessCallback of com.oracle.truffle.dsl.processor.ProcessorContext