@NotNull
    SeverityAndOccurrences incOccurrences(@NotNull String toolName, @NotNull HighlightSeverity severity) {
      if (myPrimarySeverity == null) {
        myPrimarySeverity = severity;
      }
      else if (!severity.equals(myPrimarySeverity)) {
        myPrimarySeverity = ScopesAndSeveritiesTable.MIXED_FAKE_SEVERITY;
      }
      myOccurrences.put(toolName, severity);
      return this;
    }
@NotNull
    SeverityAndOccurrences incOccurrences(@NotNull String toolName, @NotNull HighlightSeverity severity)