https://freemarker.apache.org/: FreeMarker is a "template engine"; a generic tool to generate text output based on templates. (Apache Software Foundation) 
public final class freemarker.core.UnknownDateTypeFormattingUnsupportedException extends freemarker.core.UnformattableValueException
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: freemarker.core.UnknownDateTypeFormattingUnsupportedException
  super_class: freemarker.core.UnformattableValueException
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // freemarker.core.UnknownDateTypeFormattingUnsupportedException this
         0: .line 32
            aload 0 /* this */
            ldc "Can't convert the date-like value to string because it isn't known if it's a date (no time part), time or date-time value."
            invokespecial freemarker.core.UnformattableValueException.<init>:(Ljava/lang/String;)V
         1: .line 33
            return
        end local 0 // freemarker.core.UnknownDateTypeFormattingUnsupportedException this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lfreemarker/core/UnknownDateTypeFormattingUnsupportedException;
}
SourceFile: "UnknownDateTypeFormattingUnsupportedException.java"