code: static Severity getSeverity(String severityName) {
          switch (severityName) {
          case "BLOCKER":
          case "CRITICAL":
          case "MAJOR":
              return Severity.ERROR;
          case "MINOR":
              return Severity.WARNING;
          case "INFO":
              return Severity.INFO;
          default:
            log.warn("Unknown severity: " + severityName);
          }
          return Severity.WARNING;
      }
docs: Converts a Sonar severity to a Sputnik severity.
  @param severityName severity to convert.