String majorLineSeparator () {
      String detectedLineSeparator = null;
      if (CRLF_count > CR_count && CRLF_count > LF_count) {
        detectedLineSeparator = "\r\n";
      }
      else if (CR_count > LF_count) {
        detectedLineSeparator = "\r";
      }
      else if (LF_count > 0) {
        detectedLineSeparator = "\n";
      }
      return detectedLineSeparator;
    }
String majorLineSeparator ()