https://freemarker.apache.org/: FreeMarker is a "template engine"; a generic tool to generate text output based on templates. (Apache Software Foundation) 
abstract class freemarker.core.BackwardCompatibleTemplateNumberFormat extends freemarker.core.TemplateNumberFormat
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: freemarker.core.BackwardCompatibleTemplateNumberFormat
  super_class: freemarker.core.TemplateNumberFormat
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.core.BackwardCompatibleTemplateNumberFormat this
         0: .line 26
            aload 0 /* this */
            invokespecial freemarker.core.TemplateNumberFormat.<init>:()V
            return
        end local 0 // freemarker.core.BackwardCompatibleTemplateNumberFormat this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/core/BackwardCompatibleTemplateNumberFormat;

  abstract java.lang.String format(java.lang.Number);
    descriptor: (Ljava/lang/Number;)Ljava/lang/String;
    flags: (0x0400) ACC_ABSTRACT
    Exceptions:
      throws freemarker.core.UnformattableValueException
    MethodParameters:
        Name  Flags
      number  
}
SourceFile: "BackwardCompatibleTemplateNumberFormat.java"