anchor.diff:    node: CommerceOrder
   }
   
  +# Represents either a state change or new offer
  +union CommerceOrderEventUnion =
  +    CommerceOfferSubmittedEvent
  +  | CommerceOrderStateChangedEvent
  +
   enum CommerceOrderFulfillmentTypeEnum {
     # fulfillment type is: pickup
     PICKUP
  
positive.code:     last: Int
    ): CommerceLineItemConnection
    mode: CommerceOrderModeEnum
    requestedFulfillment: CommerceRequestedFulfillmentUnion
    seller: CommerceOrderPartyUnion!
    sellerDetails: OrderParty
  
negative.code:     last: Int
    ): CommerceLineItemConnection
    mode: CommerceOrderModeEnum
    orderHistory: [CommerceOrderEventUnion!]!
    requestedFulfillment: CommerceRequestedFulfillmentUnion
    seller: CommerceOrderPartyUnion!
    sellerDetails: OrderParty
  