type AuthenticatorConfig struct {
	Anonymous                   bool
	BasicAuthFile               string
	BootstrapToken              bool
	ClientCAFile                string
	TokenAuthFile               string
	OIDCIssuerURL               string
	OIDCClientID                string
	OIDCCAFile                  string
	OIDCUsernameClaim           string
	OIDCUsernamePrefix          string
	OIDCGroupsClaim             string
	OIDCGroupsPrefix            string
	ServiceAccountKeyFiles      []string
	ServiceAccountLookup        bool
	KeystoneURL                 string
	KeystoneCAFile              string
	WebhookTokenAuthnConfigFile string
	WebhookTokenAuthnCacheTTL   time.Duration

	TokenSuccessCacheTTL time.Duration
	TokenFailureCacheTTL time.Duration

	RequestHeaderConfig *authenticatorfactory.RequestHeaderConfig

	// TODO, this is the only non-serializable part of the entire config.  Factor it out into a clientconfig
	ServiceAccountTokenGetter   serviceaccount.ServiceAccountTokenGetter
	BootstrapTokenAuthenticator authenticator.Token
}