@type t() ::
  %Procore.Model.RestV10PurchaseOrderContractsPost201ResponseChangeOrderPackagesInner{
    contract_id: integer() | nil,
    created_at: DateTime.t() | nil,
    currency_configuration:
      Procore.Model.RestV10WorkOrderContractsGet200ResponseInnerAllOfCurrencyConfiguration.t()
      | nil,
    deleted_at: DateTime.t() | nil,
    due_date: Date.t() | nil,
    id: integer() | nil,
    invoiced_date: Date.t() | nil,
    number: String.t() | nil,
    origin_code: String.t() | nil,
    origin_data: String.t() | nil,
    origin_id: String.t() | nil,
    paid_date: Date.t() | nil,
    reviewed_at: DateTime.t() | nil,
    signed_change_order_received_date: Date.t() | nil,
    status: String.t() | nil,
    title: String.t() | nil,
    updated_at: DateTime.t() | nil
  }