@type t() :: %LettaAPI.Model.AppAuthScheme{
  auth_mode: String.t(),
  authorization_url: String.t() | nil,
  client_id: String.t() | nil,
  client_secret: String.t() | nil,
  default_scopes: [any()] | nil,
  fields: [LettaAPI.Model.AuthSchemeField.t()],
  proxy: %{optional(String.t()) => any()} | nil,
  scheme_name: String.t(),
  token_response_metadata: [any()] | nil,
  token_url: String.t() | nil
}