@type t() :: %Inttegro.OrderDocumentDelivery{
  deliveries: [Inttegro.OrderDocumentDeliveryAttempt.t()] | nil,
  document_kind: Inttegro.OrderDocumentKind.t() | nil,
  document_url: String.t() | nil,
  failed_channels: [String.t()] | nil,
  failures: [Inttegro.OrderDocumentDeliveryFailure.t()] | nil,
  sent_channels: [String.t()] | nil
}