prefer

type Configuration struct {
	Identifier string

	Loaders     map[Loader]filterable
	Serializers map[Serializer]SerializerFactory
}

type FileLoader struct {
	// contains filtered or unexported fields
}

type Loader interface {
	Load() (string, []byte, error)
	Watch(channel chan bool) error
}

type Serializer interface {
	Serialize(interface{}) ([]byte, error)
	Deserialize([]byte, interface{}) error
}

type SerializerFactory func() Serializer

type XMLSerializer struct{}

type YAMLSerializer struct{}