Create a class analogous to AbstractHttpConfigurer for reactive applications

Expected Behavior
Need to have an ability to get access to a ServerHttpSecurity object after it has been instantiated in a developer's code.
For Servlet applications I can use this:

/resources/META-INF/spring.factories

org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer = \
  com.company.oauth.MyOAuth2Configurer

final class MyOAuth2Configurer extends AbstractHttpConfigurer<MyOAuth2Configurer, HttpSecurity> {

    @Override
    public void init(HttpSecurity http) throws Exception {

        ApplicationContext context = http.getSharedObject(ApplicationContext.class);
        //Do some actions
    }
}

For Webflux/Reactive applications there is no such class.

Current Behavior

No ability to get access to a ServerHttpSecurity object after it has been instantiated in a developer's code.