docs: protected String getDisplayNameOf(Method e, T i) {
          Class<?> c = e.getDeclaringClass();
          String key = displayNameOf(i);
          if (key.length()==0)  return c.getSimpleName()+"."+e.getName();
          try {
              ResourceBundleHolder rb = ResourceBundleHolder.get(
                      c.getClassLoader().loadClass(c.getPackage().getName() + ".Messages"));
              return rb.format(key);
          } catch (ClassNotFoundException x) {
              LOGGER.log(WARNING, "Failed to load "+x.getMessage()+" for "+e.toString(),x);
              return key;
          } catch (MissingResourceException x) {
              LOGGER.log(WARNING, "Could not find key '" + key + "' in " + c.getPackage().getName() + ".Messages", x);
              return key;
          }
      }