docs: static Selector convertLike(Selector arg, String pattern, String escape) {
      try
      {
        pattern = reduceStringLiteralToken(pattern);
        boolean escaped = false;
        char esc = 0;
        if (escape != null) {
          escape = reduceStringLiteralToken(escape);
          if (escape.length() != 1)
            return null;
          escaped = true;
          esc = escape.charAt(0);
        }
        return Matching.getInstance().createLikeOperator(arg, pattern, escaped, esc);
      }
      catch (Exception e)
      {
        // No FFDC Code Needed.
        // FFDC driven by wrapper class.
        FFDC.processException(cclass,
            "com.ibm.ws.sib.matchspace.selector.impl.ParseUtil.convertLike",
            e,
            "1:183:1.19");              
        // This should never occur as to get into this we should be missing
        // the sib.matchspace jar file, but we are already in it.
        
        throw new RuntimeException(e);
      }
    }