What about content push? Will CloudFlare only do passthrough of pushes from HTTP/2 servers, will it support extended HTTP/1.1 headers as described in https://ne

What about content push? Will CloudFlare only do passthrough of pushes from HTTP/2 servers, will it support extended HTTP/1.1 headers as described in https://news.ycombinator.com/item?id=9296526 https://news.ycombinator.com/item?id=9296526, or will it add content pushes based on parsing the HTML if optimizations are turned on?