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Draw a UML Statechart Diagram for an order in the order processing system. The following lists the necessary elements to help you define the statechart.

Name of states: Checking, Delivered, Dispatching, Waiting

Activity in states: do/check item; do/initiate delivery

Transitions: (Transition label has three parts, all optional, in the format: Event [Guard] / Action )

- [All items checked && all items available]
- [All items checked && some items not in stock]
- Delivered
- Item Received [some items not in stock]
- Item Received [all items available]
- /get first item
- [Not all items checked] /get next item

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