@type t() :: %Inttegro.FinancialInstitutionBank{
  bank_account_type: String.t(),
  branch: Inttegro.FinancialInstitutionBankBranch.t() | nil,
  code_scheme: String.t(),
  sort_code_prefix: String.t() | nil,
  swift_code: String.t() | nil
}