@type t() :: %Ory.Model.Provider{
  client_id: String.t() | nil,
  config_url: String.t() | nil,
  domain_hint: String.t() | nil,
  fields: [String.t()] | nil,
  login_hint: String.t() | nil,
  nonce: String.t() | nil,
  parameters: %{optional(String.t()) => String.t()} | nil
}