type AuthTLSConfig struct {
	RootCAs  []string
	Insecure bool
	KeyPairs []TLSKeyPair
}

type DockerAuthProviderConfig struct {
	// ConfigFile is the docker config file
	ConfigFile *configfile.ConfigFile
	// TLSConfigs is a map of host to TLS config
	TLSConfigs map[string]*AuthTLSConfig
	// ExpireCachedAuth is a function that returns true auth config should be refreshed
	// instead of using a pre-cached result.
	// If nil then the cached result will expire after 4 minutes and 50 seconds.
	// The function is called with the time the cached auth config was created
	// and the server URL the auth config is for.
	ExpireCachedAuth func(created time.Time, serverURL string) bool
}

type TLSKeyPair struct {
	Key         string
	Certificate string
}