code: public static void parameterNotEmpty(final String name, final Iterable obj) {
          if (!obj.iterator().hasNext()) {
              raiseError(format("Parameter '%s' from type '%s' is expected to NOT be empty", name, obj.getClass().getName()));
          }
      }
docs: Validates that the Iterable is not empty
  
  @param name the parameter name
  @param obj  the proposed parameter value