token! {
/// An authorization scheme.
AuthScheme => {
/// Basic authentication, as defined in [RFC7617].
///
/// [RFC7617]: https://tools.ietf.org/html/rfc7617
BASIC => "Basic" => [],
/// Bearer authentication, as defined in [RFC6750].
///
/// [RFC6750]: https://tools.ietf.org/html/rfc6750
BEARER => "Bearer" => [],
}
}