String [] generateCppNameSpace(CNode root) {
        String namespace = root.getNamespace();
        if (namespace.contains(".")) {
            return namespace.split("\\.");
        }
        return new String[]{namespace};
    }
Class to generate noexcept specifier if default constructor, copy constructor or copy assignment is non-throwing
configgen/src/main/java/com/yahoo/config/codegen/CppClassBuilder.java