https://freemarker.apache.org/: FreeMarker is a "template engine"; a generic tool to generate text output based on templates. (Apache Software Foundation) 
class freemarker.template.DefaultObjectWrapper$1 extends freemarker.template.DefaultObjectWrapperConfiguration
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: freemarker.template.DefaultObjectWrapper$1
  super_class: freemarker.template.DefaultObjectWrapperConfiguration
{
  void <init>(freemarker.template.Version);
    descriptor: (Lfreemarker/template/Version;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.template.DefaultObjectWrapper$1 this
        start local 1 // freemarker.template.Version $anonymous0
         0: .line 115
            aload 0 /* this */
            aload 1 /* $anonymous0 */
            invokespecial freemarker.template.DefaultObjectWrapperConfiguration.<init>:(Lfreemarker/template/Version;)V
            return
        end local 1 // freemarker.template.Version $anonymous0
        end local 0 // freemarker.template.DefaultObjectWrapper$1 this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    1     0         this  Lfreemarker/template/DefaultObjectWrapper$1;
            0    1     1  $anonymous0  Lfreemarker/template/Version;
    MethodParameters:
             Name  Flags
      $anonymous0  
}
SourceFile: "DefaultObjectWrapper.java"
EnclosingMethod: freemarker.template.DefaultObjectWrapper.<init>:(Lfreemarker/template/Version;)V
NestHost: freemarker.template.DefaultObjectWrapper
InnerClasses:
  freemarker.template.DefaultObjectWrapper$1