@Nullable
  public static PsiClass findClass(@Nullable String name,
                                   @NotNull PsiFile file,
                                   @Nullable final Module module,
                                   @Nullable final GlobalSearchScope searchScope) {
    return findClass(name, file, module, searchScope, false);
  }
@Nullable
  public static PsiClass findClass(@Nullable String name,
                                   @NotNull PsiFile file,
                                   @Nullable final Module module,
                                   @Nullable final GlobalSearchScope searchScope)