code: public static SslProvider addHandlerConfigurator(
  			SslProvider provider, Consumer<? super SslHandler> handlerConfigurator) {
  		Objects.requireNonNull(provider, "provider");
  		Objects.requireNonNull(handlerConfigurator, "handlerConfigurator");
  		return new SslProvider(provider, handlerConfigurator);
  	}
docs: Creates a new {@link SslProvider SslProvider} with a prepending handler
  configurator callback to inject default settings to an existing provider
  configuration.
  
  @return a new SslProvider