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.TemplateDirectiveModel extends freemarker.template.TemplateModel
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: freemarker.template.TemplateDirectiveModel
  super_class: java.lang.Object
{
  public abstract void execute(freemarker.core.Environment, java.util.Map, freemarker.template.TemplateModel[], freemarker.template.TemplateDirectiveBody);
    descriptor: (Lfreemarker/core/Environment;Ljava/util/Map;[Lfreemarker/template/TemplateModel;Lfreemarker/template/TemplateDirectiveBody;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws freemarker.template.TemplateException, java.io.IOException
    MethodParameters:
          Name  Flags
      env       
      params    
      loopVars  
      body      
}
SourceFile: "TemplateDirectiveModel.java"