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.TemplateMethodModelEx extends freemarker.template.TemplateMethodModel
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: freemarker.template.TemplateMethodModelEx
  super_class: java.lang.Object
{
  public abstract java.lang.Object exec(java.util.List);
    descriptor: (Ljava/util/List;)Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws freemarker.template.TemplateModelException
    MethodParameters:
           Name  Flags
      arguments  
}
SourceFile: "TemplateMethodModelEx.java"