@Override
        public void fromString(String string) throws TextParseException {
            if (string == null || string.isEmpty()) {
                throw new TextParseException("Non-empty base64 value must be specified for echconfig");
            }
            data = Base64.getDecoder().decode(string);
        }
Implements common functionality for SVCB and HTTPS records
src/main/java/core/org/xbill/DNS/SVCBBase.java