conn

type Conn interface {
	// Send the supplied request to the service, taking care of adding
	// appropriate authentication info.
	SendRequest(req Request) (resp []byte, err error)
}

type HttpConn interface {
	// Send the supplied request to the service.
	SendRequest(req Request) (resp *HttpResponse, err error)
}

type HttpResponse struct {
	// The HTTP status code, e.g. 200 or 404.
	StatusCode int

	// The response body. This is the empty slice if the body was empty.
	Body []byte
}

type Request map[string]string

type Signer interface {
	// Add appropriate parameters to the supplied request in order to sign it.
	SignRequest(req Request) error
}