code: public Level getSeverityLevel() {
          Level severity = Level.INFO;
          for (ValidationResultNotation note : notes) {
              Level noteLevel = note.getLevel();
              if (noteLevel.compareTo(severity) > 0) {
                  severity = noteLevel;
              }
          }
          return severity;
      }
docs: What's the highest severity level of any of the notations on this result?