public @NotNull Set<HighlightSeverity> getUsedSeverities() {
    LOG.assertTrue(myInitialized);
    Set<HighlightSeverity> result = new HashSet<>();
    for (Tools tools : myTools.values()) {
      for (ScopeToolState state : tools.getTools()) {
        result.add(state.getLevel().getSeverity());
      }
    }
    return result;
  }
public @NotNull Set<HighlightSeverity> getUsedSeverities()