Sylius\Behat\Page\Admin\Channel\CreatePageInterface::chooseBaseCurrency PHP Method

    public function chooseBaseCurrency($currency);

 /**
  * @When I choose :currency as the base currency
  * @When I do not choose base currency
  */
 public function iChooseAsABaseCurrency($currency = null)
 {
     $this->createPage->chooseBaseCurrency($currency);
 }