# File lib/phusion_passenger/message_client.rb, line 116
        def restart_app_group(app_group_name, options = {})
                write("restart_app_group", app_group_name, *options.to_a.flatten)
                check_security_response
                result = read
                if result.nil?
                        raise EOFError
                else
                        return result.first == "true"
                end
        end