@Override
  public PsiPackage findPackage(@NotNull String packageName) {
    final List<VirtualFile> files = findDirectoriesByPackageName(packageName);
    if (!files.isEmpty()) {
      return new PsiPackageImpl(myPsiManager, packageName);
    }
    return null;
  }
@Override
  public PsiPackage findPackage(@NotNull String packageName)