private static void appendSimpleStringValue(PsiElement element, StringBuilder buffer, String quote) {
    final String text = GrStringUtil.removeQuotes(element.getText());
    if ("'".equals(quote)) {
      GrStringUtil.escapeAndUnescapeSymbols(text, "\n'", "", buffer);
    }
    else {
      GrStringUtil.escapeAndUnescapeSymbols(text, "\"\n", "", buffer);
    }
  }
private static void appendSimpleStringValue(PsiElement element, StringBuilder buffer, String quote)