@Override
	protected int getDataTypeLength() {
		DataType dt = getDataType();
		return (dt != null) ? dt.getLength() : 0;
	}
This gets the BaseClassArray (RTTI 2) structure for this model.
@return the BaseClassArray (RTTI 2) structure.
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/rtti/Rtti2Model.java