URL query attribute to indicate the wrapper used to render a request. The wrapper format determines how the HTML is wrapped, for example in
public MainContentViewSubscriber::__
public MainContentViewSubscriber::on
The class resolver service. Type:
static MainContentViewSubscriber::ge
The available main content renderer services, keyed per format. Type:
View subscriber rendering main content render arrays into responses. Additional target rendering formats can be defined by adding another service
The current route match. Type: