@Override
  public boolean isReferenceTo(@NotNull PsiElement element) {
    if (element instanceof PsiPackage) {
      return getText().equals(((PsiPackage)element).getQualifiedName());
    } else if (element instanceof PsiClass) {
      return getText().equals(ClassUtil.getJVMClassName((PsiClass)element));
    }
    return false;
  }
@Override
  public boolean isReferenceTo(@NotNull PsiElement element)