public TypeDescriptorModel getRtti0Model() {
		try {
			checkValidity();
		}
		catch (InvalidDataTypeException e) {
			return null;
		}
		return rtti0Model;
	}
Gets the type descriptor (RTTI 0) model associated with this RTTI 1.
@return the type descriptor (RTTI 0) model or null.
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/rtti/Rtti1Model.java