code: public T withManagedEntityClasses(Class<?>... entityClasses) {
          configMap.put(MANAGED_ENTITIES, Arrays.asList(entityClasses));
          return getThis();
      }
docs: Define a list of entities to be managed by <strong>Achilles</strong>.
  Specifically, schema validation will be performed at bootstrap for those entities
  
  @param entityClasses entities to be managed by <strong>Achilles</strong>
  @return ManagerFactoryBuilder