@Override
	public String getTypeName() {
		return qualifiedName.toString();
	}
This class represents an unspecified type with a name.  (The $$Y code.)
It is one of a number of "extended" data types not originally planned by Microsoft.
Ghidra/Features/MicrosoftDmang/src/main/java/mdemangler/datatype/modifier/MDNamedUnspecifiedType.java