if ok {
		serializer, ok = v.(SerializerInterface)
	}
	return serializer, ok
}

func init() {
	RegisterSerializer("json", JSONSerializer{})
	RegisterSerializer("unixtime", UnixSecondSerializer{})
	RegisterSerializer("gob", GobSerializer{})
}

// Serializer field value serializer
type serializer struct {
	Field           *Field
	Serializer      SerializerInterface

}

// newRateMeasurement creates a new instance of the measurement with the initial start time.
func newRateMeasurement(initTime time.Time) *rateMeasurement {
	return &rateMeasurement{
		startTime: initTime,
	}
}

// incrementBytes add bytes reported for a bucket/target.
func (m *rateMeasurement) incrementBytes(bytes uint64) {
	atomic.AddUint64(&m.bytesSinceLastWindow, bytes)
}