package com.salesmanager.core.business.modules.order; import java.io.ByteArrayOutputStream; import com.salesmanager.core.model.merchant.MerchantStore; import com.salesmanager.core.model.order.Order; import com.salesmanager.core.model.reference.language.Language; public interface InvoiceModule { public ByteArrayOutputStream createInvoice(MerchantStore store, Order order, Language language) throws Exception; }