code: protected String checkString(String text) throws UnexpectedLiquibaseException {
          if (null == text || text.isEmpty()) {
              return text;
          }
  
          final int len = text.length();
          char current;
          int codePoint;
  
          for (int i = 0; i < len; i++) {
              current = text.charAt(i);
              if (Character.isHighSurrogate(current) && i + 1 < len && Character.isLowSurrogate(text.charAt(i + 1))) {
                  codePoint = text.codePointAt(i++);
              } else {
                  codePoint = current;
              }
              if ((codePoint == '\n')
                      || (codePoint == '\r')
                      || (codePoint == '\t')
                      || (codePoint == 0xB)
                      || (codePoint == 0xC)
                      || ((codePoint >= 0x20) && (codePoint <= 0x7E))
                      || ((codePoint >= 0xA0) && (codePoint <= 0xD7FF))
                      || ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
                      || ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF))
                      ) {
                  //ok
              } else {
                  throw new UnexpectedLiquibaseException(INVALID_STRING_ENCODING_MESSAGE);
              }
          }
  
          return text;
      }
docs: Catch any characters that will cause problems when parsing the XML down the road.
  
  @throws UnexpectedLiquibaseException with the message {@link #INVALID_STRING_ENCODING_MESSAGE} if an issue is found.