async fn auth(
authenticator: &Authenticator,
creds: Option<Credentials>,
allowed_roles: AllowedRoles,
include_www_authenticate_header: bool,
) -> Result<AuthedUser, AuthError>
async fn auth(
authenticator: &Authenticator,
creds: Option<Credentials>,
allowed_roles: AllowedRoles,
include_www_authenticate_header: bool,
) -> Result<AuthedUser, AuthError>