diff --git a/packages/wyatt_architecture/lib/src/domain/usecases/usecase.dart b/packages/wyatt_architecture/lib/src/domain/usecases/usecase.dart
index 417695ca..3e2a39f4 100644
--- a/packages/wyatt_architecture/lib/src/domain/usecases/usecase.dart
+++ b/packages/wyatt_architecture/lib/src/domain/usecases/usecase.dart
@@ -18,6 +18,8 @@ import 'package:wyatt_architecture/src/core/exceptions/exceptions.dart';
 import 'package:wyatt_type_utils/wyatt_type_utils.dart';
 
 typedef FutureResult<T> = Future<Result<T, AppException>>;
+typedef StreamResult<T> = Stream<Result<T, AppException>>;
+typedef Res<T> = Result<T, AppException>;
 
 // ignore: one_member_abstracts
 abstract class UseCase<Parameters, ReturnType> {
diff --git a/packages/wyatt_architecture/lib/src/domain/usecases/usecases.dart b/packages/wyatt_architecture/lib/src/domain/usecases/usecases.dart
index 31b702da..593f9df9 100644
--- a/packages/wyatt_architecture/lib/src/domain/usecases/usecases.dart
+++ b/packages/wyatt_architecture/lib/src/domain/usecases/usecases.dart
@@ -14,4 +14,5 @@
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
+export 'no_param.dart';
 export 'usecase.dart';