domain

type Feed struct {
	Name  string
	Value interface{}
}

type Input struct {
	Name  string
	Index int
	reflect.Type
	Placeholder tf.Output
	Wildcard    bool // true if embedded vocabulary should be ignored
	Auxiliary   bool // true if this input isn't part of the model
	Layer       string
}

type Output struct {
	Name     string
	DataType string
	Index    int
	*tf.Operation
}

type Signature struct {
	Method  string
	Inputs  []Input
	Output  Output
	Outputs []Output
}

type Transformer func(ctx context.Context, signature *Signature, input *gtly.Object, output interface{}) (common.Storable, error)