aws

type Signer interface {
	Sign(*http.Request)
}

type Transport struct {
	// Signer is the underlying request signer used when making requests.
	Signer Signer

	// Transport is the underlying HTTP transport to use when making requests.
	// It will default to http.DefaultTransport if nil.
	Transport http.RoundTripper
}

type V4Signer struct {
	Region        string
	SecretKey     string
	AccessKey     string
	SecurityToken string
	Service       string

	Clock func() time.Time
}