```dart
Future<void> signOutCurrentUser() async {
  final result = await Amplify.Auth.signOut();
  if (result is CognitoCompleteSignOut) {
    safePrint('Sign out completed successfully');
  } else if (result is CognitoFailedSignOut) {
    safePrint('Error signing user out: ${result.exception.message}');
  }
}
```