protected boolean isPreviewUsages(UsageInfo[] usages) {
   if (myForceShowPreview) return true;
   if (super.isPreviewUsages(usages)) return true;
   if (UsageViewUtil.hasNonCodeUsages(usages)) {
     WindowManager.getInstance()
         .getStatusBar(myProject)
         .setInfo(
             RefactoringBundle.message(
                 "occurrences.found.in.comments.strings.and.non.java.files"));
     return true;
   }
   return false;
 }