lib/gitlab/styles/rubocop/migration_helpers.rb in gitlab-styles-3.3.0 vs lib/gitlab/styles/rubocop/migration_helpers.rb in gitlab-styles-3.4.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Styles
     module Rubocop
       # Module containing helper methods for writing migration cops.
       module MigrationHelpers