pub fn access_token(
  client: Client,
) -> Result(AccessToken, TwitchError)

pub fn client_id(client: Client) -> String

pub fn get(
  client: Client,
  request: TwitchApiRequest,
) -> Result(TwitchApiResponse(String), TwitchError)

pub fn new(auth_provider: AuthProvider) -> Client

pub fn post(
  client: Client,
  request: TwitchApiRequest,
) -> Result(TwitchApiResponse(String), TwitchError)