code: @XmlElementDecl(namespace = "http://schema.intuit.com/finance/v3", name = "PurchaseOrder", substitutionHeadNamespace = "http://schema.intuit.com/finance/v3", substitutionHeadName = "IntuitObject")
      public JAXBElement<PurchaseOrder> createPurchaseOrder(PurchaseOrder value) {
          return new JAXBElement<PurchaseOrder>(_PurchaseOrder_QNAME, PurchaseOrder.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link PurchaseOrder }{@code >}}