@NotNull
  private static Set<Key<? extends Identifiable>> getDependencyAwareDataKeys() {
    Set<Key<? extends Identifiable>> result = new HashSet<>();
    result.add(ProjectKeys.MODULE);
    for (ExternalProjectStructureCustomizer customizer : ExternalProjectStructureCustomizer.EP_NAME.getExtensions()) {
      result.addAll(customizer.getDependencyAwareDataKeys());
    }
    return result;
  }
@NotNull
  private static Set<Key<? extends Identifiable>> getDependencyAwareDataKeys()