| Class | Description | 
|---|---|
| FormatInterceptor | Interceptors a closure call and gathers method calls that take a closure into a map format->closure | 
| MimeTypesFactoryBean | Creates the MimeType[] object that defines the configured mime types. | 
| MimeTypesGrailsPlugin | Provides content negotiation capabilities to Grails via a new withFormat method on controllers as well as a format property on the HttpServletRequest instance. |