public int getSignature() throws InvalidDataTypeException {
		checkValidity();
		return EHDataTypeUtilities.getIntegerValue(getDataType(), SIGNATURE_ORDINAL,
			getMemBuffer());
	}
Gets the signature value from this RTTI 3.
@return the signature value
@throws InvalidDataTypeException if this isn't a valid model at the specified address.
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/rtti/Rtti3Model.java