@Override
  public PsiClass @NotNull [] findClasses(@NotNull String qualifiedName, @NotNull GlobalSearchScope scope) {
    final PsiClass psiClass = findClass(qualifiedName, scope);
    return psiClass == null ? PsiClass.EMPTY_ARRAY : new PsiClass[]{psiClass};
  }
@Override
  public PsiClass @NotNull [] findClasses(@NotNull String qualifiedName, @NotNull GlobalSearchScope scope)