runtime

type ClientNegotiator interface {
	Encoder() (Encoder, error)
	Decoder() (Decoder, error)
}

type Decoder interface {
	Decode(data []byte, v interface{}) error
}

type Encoder interface {
	// Encode writes an object to a stream. Implementations may return errors if the versions are
	// incompatible, or if no conversion is defined.
	Encode(v interface{}) ([]byte, error)
}

type NegotiateError struct {
	ContentType string
	Stream      bool
}