@type t() :: %BexioApiClient.Purchase.BillPayment{
  address: String.t() | nil,
  amount: float() | nil,
  bank_account_id: integer() | nil,
  booking_text: String.t() | nil,
  city: String.t() | nil,
  country_code: String.t() | nil,
  exchange_rate: float() | nil,
  execution_date: Date.t() | nil,
  fee: String.t() | nil,
  house_no: integer() | String.t() | nil,
  iban: String.t() | nil,
  message: String.t() | nil,
  name: String.t() | nil,
  note: String.t() | nil,
  postcode: String.t() | nil,
  reference_no: String.t() | nil,
  salary_payment?: boolean() | nil,
  street: String.t() | nil,
  type: String.t() | nil
}