@type t() :: %Ory.Model.UpdateRegistrationFlowBody{
  code: String.t() | nil,
  csrf_token: String.t() | nil,
  id_token: String.t() | nil,
  id_token_nonce: String.t() | nil,
  method: String.t(),
  passkey_register: String.t() | nil,
  password: String.t(),
  provider: String.t(),
  resend: String.t() | nil,
  screen: String.t() | nil,
  traits: map(),
  transient_payload: map() | nil,
  upstream_parameters: map() | nil,
  webauthn_register: String.t() | nil,
  webauthn_register_displayname: String.t() | nil
}