public static void validateCharset(ReadableConfig tableOptions) {
        String charset = tableOptions.get(CHARSET);
        try {
            Charset.forName(charset);
        } catch (Exception e) {
            throw new ValidationException(String.format("Charset %s is not supported.", charset));
        }
    }
Validates timestamp format which value should be SQL or ISO-8601.
inlong-sort/sort-formats/format-common/src/main/java/org/apache/inlong/sort/formats/base/TextFormatOptionsUtil.java