| Name | Type | Package | Detail |
| BaseApiProvider | Class | core.metaclass | Detail |
| CodecIdentifierProvider | Interface | grails.encoder | Detail |
| MimeTypeProvider | Interface | web.mime | Detail |
| MimeTypeProvider | Interface | web.mime | Detail |
| PromiseDecoratorProvider | Interface | async.decorator | Detail |
| PromiseDecoratorProvider | Interface | async.decorator | Detail |
