@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement qualifier, @NotNull ModPsiUpdater updater) {
      final PsiElement parent = qualifier.getParent();
      CommentTracker tracker = new CommentTracker();
      if (parent instanceof PsiThisExpression) {
        PsiReplacementUtil.replaceExpression((PsiThisExpression)parent, PsiKeyword.THIS, tracker);
      }
      else if (parent instanceof PsiSuperExpression) {
        PsiReplacementUtil.replaceExpression((PsiSuperExpression)parent, PsiKeyword.SUPER, tracker);
      }
    }
@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement qualifier, @NotNull ModPsiUpdater updater)