code: public static <T> String get(Message<T> text, T context) {
          for (AlternativeUiTextProvider p : all()) {
              String s = p.getText(text, context);
              if (s!=null)
                  return s;
          }
          return null;
      }
docs: Consults all the existing {@link AlternativeUiTextProvider} and return an override, if any,
  or null.