code: private static String determineMessage(@Nullable final String className) {
  		return className != null && !className.isEmpty() ? format(className) : DEFAULT_MESSAGE;
  	}
docs: Determines the message to be used, depending on the passed argument name. If if the given argument name is
  {@code null} or empty {@code DEFAULT_MESSAGE} will be returned, otherwise a formatted {@code MESSAGE_WITH_NAME}
  with the passed name.
  
  @param className
  the name of the passed {@link Class}
  @return {@code DEFAULT_MESSAGE} if the given argument name is {@code null} or empty, otherwise a formatted
  {@code MESSAGE_WITH_NAME}