code: public static void assertRequiredContainerTriples(final Model model)
              throws ConstraintViolationException {
          assertContainsRequiredProperties(model, REQUIRED_PROPERTIES);
          assertContainsRequiredTypes(model, CONTAINER_TYPES);
      }
docs: Throws a ConstraintViolationException if the model does not contain all required server-managed triples for a
  container.
  
  @param model rdf to validate
  @throws ConstraintViolationException if model does not contain all required server-managed triples for container