private static boolean isPermittedType(DemangledDataType demangledDataType) {
		if (demangledDataType == null) {
			return false;
		}
		if (demangledDataType.isClass() || demangledDataType.isStruct()) {
			return true;
		}
		Msg.info(TypeDescriptorModel.class,
			"Unprocessed TypeDescriptor: " + demangledDataType.getSignature());
		return false;
	}
Gets a DemangledDataType for the indicated mangled string
@param mangledString the mangled string to be demangled
@param program the program
@param address address of the mangled string
@return the DemangledDataType or null if couldn't demangle or is not a class type
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/TypeDescriptorModel.java