handler

type BaseHandler struct {
	Ctx context.Context
}

type DataItem struct {
	Type  string
	Name  string
	Extra interface{}
}

type IHandler interface {
	GetName() string
	Input(ctx context.Context)
	Output() interface{}
}

type InputData struct {
	CommonData interface{}
	Data       DataItem
	Extra      interface{}
}

type NameBig struct {
	BaseHandler
}

type NameSmall struct {
	BaseHandler
}