ctx

type BackgroundContext interface {
	Set(key, value interface{})
	Get(key interface{}) interface{}

	// The fn function only gets called if there is a cache miss. Return error as nil to bypass health check.
	Persist(key interface{}, fn func() (interface{}, error)) interface{}
}

type Context interface {
	Title() string
	SetTitle(title string)
	Data(key interface{}) interface{}
	SetData(key, value interface{})

	// The fn function only gets called if there is a cache miss.
	PersistData(key interface{}, fn func() interface{}) interface{}

	Ctx() context.Context
	Request() *http.Request
	ResponseWriter() http.ResponseWriter
}