Protected ReadonlyargsRetrieves an Order with the provided orderNumber.
OptionalmethodArgs: {Checks if an Order exists with the provided orderNumber. Returns a 200 status if the Order exists, or a 404 status otherwise.
OptionalmethodArgs: { headers?: { [key: string]: string | string[] } }Updates an Order in the Project using one or more update actions.
Deletes an Order in the Project. Deleting an Order produces the OrderDeleted Message.