@type t() :: %Passbook.Pass{
  background_color: String.t() | nil,
  barcode: Passbook.LowerLevel.Barcode.t() | nil,
  barcodes: [Passbook.LowerLevel.Barcode.t()] | nil,
  boarding_pass: Passbook.PassStructure.t() | nil,
  coupon: Passbook.PassStructure.t() | nil,
  description: String.t(),
  event_ticket: Passbook.PassStructure.t() | nil,
  expiration_date: String.t() | nil,
  foreground_color: String.t() | nil,
  format_version: integer(),
  generic: Passbook.PassStructure.t() | nil,
  label_color: String.t() | nil,
  location: Passbook.LowerLevel.Location.t() | nil,
  locations: [Passbook.LowerLevel.Location.t()] | nil,
  logo_text: String.t() | nil,
  organization_name: String.t(),
  pass_type_identifier: String.t(),
  relevant_date: String.t() | nil,
  serial_number: String.t(),
  store_card: Passbook.PassStructure.t() | nil,
  team_identifier: String.t(),
  web_service_url: String.t() | nil
}