private @NotNull GlobalSearchScope getScope(@NotNull PsiFile containingFile) {
    Project project = containingFile.getProject();
    GlobalSearchScope scope = myJavaClassReferenceSet.getProvider().getScope(project);
    if (scope == null) {
      Module module = ModuleUtilCore.findModuleForPsiElement(containingFile);
      return module == null ? GlobalSearchScope.allScope(project) : module.getModuleWithDependenciesAndLibrariesScope(true);
    }
    return scope;
  }
private @NotNull GlobalSearchScope getScope(@NotNull PsiFile containingFile)