private void addFeature(@NotNull FeatureDescriptor descriptor) {
    final FeatureDescriptor existingDescriptor = myFeatures.get(descriptor.getId());
    if (existingDescriptor != null) {
      LOG.info("Feature with id '" + descriptor.getId() + "' is overridden by: " + descriptor);
      descriptor.copyStatistics(existingDescriptor);
    }
    myFeatures.put(descriptor.getId(), descriptor);
    addUsageEvents(descriptor);
  }
private void addFeature(@NotNull FeatureDescriptor descriptor)