Author: Paweł Jędrzejewski (pawel@sylius.org)
Author: Gonzalo Vilaseca (gvilaseca@reiss.co.uk)
Author: Anna Walasek (anna.walasek@lakion.com)
Inheritance: extends Sylius\Bundle\ResourceBundle\Form\Type\AbstractResourceType
 /**
  * {@inheritdoc}
  */
 public function buildForm(FormBuilderInterface $builder, array $options)
 {
     parent::buildForm($builder, $options);
     $builder->add('zone', 'sylius_zone_choice', array('label' => 'sylius.form.shipping_method.zone'));
 }
 /**
  * {@inheritdoc}
  */
 public function buildForm(FormBuilderInterface $builder, array $options)
 {
     parent::buildForm($builder, $options);
     $builder->add('zone', 'sylius_zone_choice', ['label' => 'sylius.form.shipping_method.zone'])->add('taxCategory', 'sylius_tax_category_choice', ['required' => false, 'empty_value' => '---', 'label' => 'sylius.form.shipping_method.tax_category']);
 }