/**
  * {@inheritdoc}
  */
 public function submitConfigurationForm(array &$form, FormStateInterface $form_state)
 {
     parent::submitConfigurationForm($form, $form_state);
     if (!$form_state->getErrors()) {
         $this->configuration['zone'] = $form_state->getValue('zone');
     }
 }
 /**
  * {@inheritdoc}
  */
 public function submitConfigurationForm(array &$form, FormStateInterface $form_state)
 {
     parent::submitConfigurationForm($form, $form_state);
     if (!$form_state->getErrors()) {
         $this->configuration['country_code'] = $form_state->getValue('country_code');
         $this->configuration['administrative_area'] = $form_state->getValue('administrative_area');
         $this->configuration['locality'] = $form_state->getValue('locality');
         $this->configuration['dependent_locality'] = $form_state->getValue('dependent_locality');
         $this->configuration['included_postal_codes'] = $form_state->getValue('included_postal_codes');
         $this->configuration['excluded_postal_codes'] = $form_state->getValue('excluded_postal_codes');
     }
 }
 /**
  * {@inheritdoc}
  */
 public function defaultConfiguration()
 {
     return ['name' => 'EU'] + parent::defaultConfiguration();
 }