Entry point for Split Shipment Extensibility. To implement custom Item Arrangement logic, extend this
class and override the
Constructs Split Shipment Service with a mock service for Apex testing.
|Mock service which is used to call the default Split Shipment logic.
Any class that extends this class can call the default Split Shipment Service by calling this method via
super.arrangeItems(request). It can also be overridden with custom logic.