Handler will wrap the handler func with the route cache abstraction.

NewRouteCache creates a new cache implementation for an http route.

HeaderCacheControl is the Header key for cache related values.

HeaderETagHeader is the constant representing the Etag http header.

NowSeconds returns the current unix timestamp in seconds.

Age defines the route cache life-time boundaries for cached objects.

RouteCache is the builder needed to build a cache for the corresponding route.