anchor.diff:      last: Int
     ): CommerceLineItemConnection
     mode: CommerceOrderModeEnum
  +  orderHistory: [CommerceOrderEventUnion!]!
     requestedFulfillment: CommerceRequestedFulfillmentUnion
     seller: CommerceOrderPartyUnion!
     sellerDetails: OrderParty
  
positive.code:     # A tz database time zone, otherwise falls back to `X-TIMEZONE` header
      timezone: String
    ): String!
  }
  
  # Order
  
negative.code:   node: CommerceOrder
  }
  
  # Represents either a state change or new offer
  union CommerceOrderEventUnion =
      CommerceOfferSubmittedEvent
    | CommerceOrderStateChangedEvent
  
  enum CommerceOrderFulfillmentTypeEnum {
    # fulfillment type is: pickup
    PICKUP
  