@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater) {
      if (!(element instanceof RegExpChar regExpChar)) {
        return;
      }
      RegExpReplacementUtil.replaceInContext(element, buildReplacementText(regExpChar));
    }
@Override
    protected void applyFix(@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater)