| AccessDeniedHttpException | AccessDeniedHttpException. |
| FlattenException | FlattenException wraps a PHP Exception to be able to serialize it. |
| HttpException | HttpException. |
| MethodNotAllowedHttpException | MethodNotAllowedHttpException. |
| NotFoundHttpException | NotFoundHttpException. |
Interfaces
| HttpExceptionInterface | Interface for HTTP error exceptions. |