| Class | Description | 
|---|---|
| DefaultConstraintEvaluatorFactoryBean | |
| DefaultMappingContextFactoryBean | A factory bean for creating the default mapping context where an implementation of GORM is not present | 
| GormApiSupport | Helper class used in the case where there is not GORM API installed in the application to provide basic validation facility. | 
| GrailsDomainClassCleaner | Clears static Grails "instance api" instances from domain classes when ApplicationContext's ContextClosedEvent is received. | 
| ValidatorRegistryFactoryBean | A factory bean for the validator registry |