better?

Author: kevmoo

dartfn/lib/src/generators/cloudevent.g.dart

@@ -98,14 +98,16 @@ class _FunctionsFrameworkBuilder implements Builder {
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//     http://www.apache.org/licenses/LICENSE-2.0
+//     https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// @dart=3.6
+
 ${importDirectives.map((e) => 'import $e;').join('\n')}
 
 Future<void> main(List<String> args) async {

dartfn/lib/src/generators/helloworld.g.dart

@@ -669,14 +669,16 @@ String get _outputHeader => '''
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//     http://www.apache.org/licenses/LICENSE-2.0
+//     https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// @dart=3.6
+
 import 'package:functions_framework/serve.dart';
 import 'package:$_pkgName/functions.dart' as function_library;