Sort directives
diff --git a/pkgs/pub_semver/lib/src/version_constraint.dart b/pkgs/pub_semver/lib/src/version_constraint.dart
index edd8abd..6fd4384 100644
--- a/pkgs/pub_semver/lib/src/version_constraint.dart
+++ b/pkgs/pub_semver/lib/src/version_constraint.dart
@@ -3,10 +3,10 @@
// BSD-style license that can be found in the LICENSE file.
import 'patterns.dart';
+import 'utils.dart';
import 'version.dart';
import 'version_range.dart';
import 'version_union.dart';
-import 'utils.dart';
/// A [VersionConstraint] is a predicate that can determine whether a given
/// version is valid or not.
