@Override
  public @NotNull Collection<UnloadedModuleDescription> getUnloadedModulesBelongingToScope() {
    Project project = getProject();
    return project != null ? FileIndexFacade.getInstance(project).getUnloadedModuleDescriptions() : Collections.emptySet();
  }
@Override
  public @NotNull Collection<UnloadedModuleDescription> getUnloadedModulesBelongingToScope()