code: public static byte isValid(String reportVersion) {
  		if (isOlderUnsupportedVersion(reportVersion)) {
  			return REPORT_INVALID_OLDER;
  		} else if (isNewerUnsupportedVersion(reportVersion)) {
  			return REPORT_INVALID_NEWER;
  		} else {
  			return REPORT_VALID;
  		}
  	}
docs: Test if string version given as parameter is valid, meaning is over 2.0
  and no greater than current engine version
  
  @param reportVersion
  version
  @return one of REPORT_VALID, REPORT_INVALID_OLDER, REPORT_INVALID_NEWER