| Interface | Description | 
|---|---|
| GrailsRequestContext | Defines the methods and objects available during a Grails request context. | 
| Class | Description | 
|---|---|
| DefaultGrailsApplicationAttributes | Holds knowledge about how to obtain certain attributes from either the ServletContext or the HttpServletRequest instance. | 
| GrailsFlashScope | Grails implementation of Flash scope (@see grails.web.mvc.FlashScope). | 
| WebRequestDelegatingRequestContext | Delegates calls to a passed GrailsWebRequest instance. | 
| WrappedResponseHolder | A holder for the original Wrapped response for use when using includes. |