@type t() :: %LettaAPI.Model.Provider{
  api_key: String.t() | nil,
  base_url: String.t() | nil,
  id: String.t() | nil,
  name: String.t(),
  organization_id: String.t() | nil,
  provider_type: LettaAPI.Model.ProviderType.t(),
  updated_at: DateTime.t() | nil
}