ctx

type Context interface {
	// Set content to map, cannot use the same key value over and over again, otherwise it will panic.
	Set(key, value interface{})

	// Get content from map, return two values, the bool value indicated if it was found or not.
	Get(key interface{}) (interface{}, bool)

	// 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{}
}