import com.abacatepay.model.billing.CreateBillingData;import com.abacatepay.model.billing.CreateBillingResponse;import java.util.Arrays;CreateBillingData billingData = new CreateBillingData();billingData.setFrequency("ONE_TIME");billingData.setMethods(Arrays.asList("PIX"));billingData.setReturnUrl("https://meusite.com/app");billingData.setCompletionUrl("https://meusite.com/pagamento/sucesso");CreateBillingResponse billing = abacate.createBilling(billingData);System.out.println(billing.getUrl()); // URL de pagamento para o cliente