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.core._UnexpectedTypeErrorExplainerTemplateModel extends freemarker.template.TemplateModel
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: freemarker.core._UnexpectedTypeErrorExplainerTemplateModel
  super_class: java.lang.Object
{
  public abstract java.lang.Object[] explainTypeError(java.lang.Class[]);
    descriptor: ([Ljava/lang/Class;)[Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                 Name  Flags
      expectedClasses  
}
SourceFile: "_UnexpectedTypeErrorExplainerTemplateModel.java"