public static @Nullable String getContainerTextStatic(@NotNull PsiElement element) {
    PsiFile file = element.getContainingFile();
    if (file instanceof PsiClassOwner) {
      String packageName = ((PsiClassOwner)file).getPackageName();
      if (packageName.isEmpty()) return null;
      return "(" + packageName + ")";
    }
    return null;
  }
public static @Nullable String getContainerTextStatic(@NotNull PsiElement element)