@Override
  public PsiClass findClass(@NotNull String qName, @NotNull GlobalSearchScope scope) {
    for (VirtualFile root : roots()) {
      final PsiClass psiClass = findClassInClasspathRoot(qName, root, myPsiManager, scope);
      if (psiClass != null) {
        return psiClass;
      }
    }
    return null;
  }
@Override
  public PsiClass findClass(@NotNull String qName, @NotNull GlobalSearchScope scope)