public int getRtti1Count() throws InvalidDataTypeException {

		checkValidity();
		Address rtti3Address = getAddress();
		return getRtti1Count(getProgram(), rtti3Address);
	}
Gets the number of RTTI1 structures that are referred to by an RTTI3 structure being placed
at the rtti3Address of the indicated memory.
@return the RTTI1 count or 0.
@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