@type t() :: %BexioApiClient.Purchase.Bill{
  address: BexioApiClient.Purchase.Address.t() | nil,
  amount_calc: float() | nil,
  amount_man: float() | nil,
  attachment_ids: [String.t()],
  base_currency_amount: float() | nil,
  base_currency_code: String.t() | nil,
  bill_date: Date.t(),
  booking_account_ids: [integer()] | nil,
  contact_partner_id: integer() | nil,
  created_at: DateTime.t() | NaiveDateTime.t(),
  currency_code: String.t(),
  discounts: [BexioApiClient.Purchase.BillDiscount.t()],
  document_no: String.t(),
  due_date: Date.t(),
  exchange_rate: float() | nil,
  firstname_suffix: String.t() | nil,
  gross: float() | nil,
  id: String.t(),
  item_net?: boolean() | nil,
  lastname_company: String.t(),
  line_items: [BexioApiClient.Purchase.BillLineItem.t()],
  manual_amount?: boolean() | nil,
  net: float() | nil,
  overdue?: boolean(),
  payment: BexioApiClient.Purchase.BillPayment.t() | nil,
  pending_amount: float() | nil,
  purchase_order_id: integer() | nil,
  qr_bill_information: String.t() | nil,
  split_into_line_items?: boolean() | nil,
  status:
    :draft
    | :booked
    | :partially_created
    | :created
    | :partially_sent
    | :sent
    | :partially_downloaded
    | :downloaded
    | :partially_paid
    | :paid
    | :partially_failed
    | :failed,
  supplier_id: integer() | nil,
  title: String.t() | nil,
  vendor: String.t() | nil,
  vendor_ref: String.t() | nil
}