@Override
	public Register getNewRegister(Register oldReg) {
		Register reg = t1.getNewRegister(oldReg);
		if (reg != null) {
			return t2.getNewRegister(reg);
		}
		return null;
	}
@param versionTranslatorList sorted list of version translators
@param version
@return
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/LanguageTranslatorFactory.java