code: protected InvocationHandler createHandler(Class<? extends NlsBundle> bundleInterface) {
  
      String bundleName = NlsBundleHelper.getInstance().getQualifiedLocation(bundleInterface);
      NlsBundleOptions options = getBundleOptions(bundleInterface);
      return new NlsBundleInvocationHandler(bundleInterface, bundleName, options);
    }
docs: This method creates a new {@link InvocationHandler} for the given {@code bundleInterface}.
  
  @param bundleInterface is the {@link Class} reflecting the {@link NlsBundle} interface.
  @return the {@link InvocationHandler} for the given {@code bundleInterface}.