https://freemarker.apache.org/: FreeMarker is a "template engine"; a generic tool to generate text output based on templates. (Apache Software Foundation) 
public interface freemarker.template.TemplateModelAdapter
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: freemarker.template.TemplateModelAdapter
  super_class: java.lang.Object
{
  public abstract freemarker.template.TemplateModel getTemplateModel();
    descriptor: ()Lfreemarker/template/TemplateModel;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "TemplateModelAdapter.java"