| 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). | 
                            | GrailsUrlPathHelper | Extends the default Spring UrlPathHelper and makes methods Grails path aware. | 
                            | HttpServletRequestExtension | An extension that adds methods to the javax.servlet.http.HttpServletRequest object | 
                            | HttpServletResponseExtension | @author Jeff Brown | 
                            | HttpSessionExtension | Methods added to the javax.servlet.http.HttpSession interface | 
                            | ServletContextExtension | An extension that adds methods to the javax.servlet.ServletContext interface | 
                            | WebRequestDelegatingRequestContext | Delegates calls to a passed GrailsWebRequest instance. | 
                            | WrappedResponseHolder | A holder for the original Wrapped response for use when using includes. |