/**
  * @inheritdoc
  */
 public function __construct($administrationId, $client = null, $apiToken = null)
 {
     parent::__construct($administrationId, $client, $apiToken);
     $this->converter = new SalesInvoiceConverter();
     $this->apiSubUrl = 'sales_invoices';
 }
 /**
  * @inheritdoc
  */
 public function __construct($administrationId, $client = null, $apiToken = null)
 {
     parent::__construct($administrationId, $client, $apiToken);
     $this->converter = new TaxRateConverter();
     $this->apiSubUrl = 'tax_rates';
 }