@Override
  protected void processIntention(@NotNull PsiElement element, @NotNull ActionContext context, @NotNull ModPsiUpdater updater) {
    final GrLiteral exp = (GrLiteral)element;
    PsiImplUtil.replaceExpression(convertGStringLiteralToStringLiteral(exp), exp);
  }
@Override
  protected void processIntention(@NotNull PsiElement element, @NotNull ActionContext context, @NotNull ModPsiUpdater updater)