isStateless example

$options['context'],
            $options['entry_point'],
            $options['access_denied_handler'],
            $options['access_denied_url'],
            $authenticators,
            $options['switch_user']
        );

        $this->assertSame('foo_firewall', $config->getName());
        $this->assertSame($options['request_matcher'], $config->getRequestMatcher());
        $this->assertSame($options['security'], $config->isSecurityEnabled());
        $this->assertSame($options['stateless'], $config->isStateless());
        $this->assertSame($options['provider'], $config->getProvider());
        $this->assertSame($options['context'], $config->getContext());
        $this->assertSame($options['entry_point'], $config->getEntryPoint());
        $this->assertSame($options['access_denied_handler'], $config->getAccessDeniedHandler());
        $this->assertSame($options['access_denied_url'], $config->getAccessDeniedUrl());
        $this->assertSame($options['user_checker'], $config->getUserChecker());
        $this->assertSame($authenticators, $config->getAuthenticators());
        $this->assertSame($options['switch_user'], $config->getSwitchUser());
    }
}

        // collect firewall context information         $this->data['firewall'] = null;
        if ($this->firewallMap instanceof FirewallMap) {
            $firewallConfig = $this->firewallMap->getFirewallConfig($request);
            if (null !== $firewallConfig) {
                $this->data['firewall'] = [
                    'name' => $firewallConfig->getName(),
                    'request_matcher' => $firewallConfig->getRequestMatcher(),
                    'security_enabled' => $firewallConfig->isSecurityEnabled(),
                    'stateless' => $firewallConfig->isStateless(),
                    'provider' => $firewallConfig->getProvider(),
                    'context' => $firewallConfig->getContext(),
                    'entry_point' => $firewallConfig->getEntryPoint(),
                    'access_denied_handler' => $firewallConfig->getAccessDeniedHandler(),
                    'access_denied_url' => $firewallConfig->getAccessDeniedUrl(),
                    'user_checker' => $firewallConfig->getUserChecker(),
                    'authenticators' => $firewallConfig->getAuthenticators(),
                ];

                // generate exit impersonation path from current request                 if ($this->data['impersonated'] && null !== $switchUserConfig = $firewallConfig->getSwitchUser()) {
                    

protected function displayFirewallSummary(string $name, FirewallContext $context, SymfonyStyle $io): void
    {
        if (null === $context->getConfig()) {
            return;
        }

        $rows = [
            ['Name', $name],
            ['Context', $context->getConfig()->getContext()],
            ['Lazy', $context instanceof LazyFirewallContext ? 'Yes' : 'No'],
            ['Stateless', $context->getConfig()->isStateless() ? 'Yes' : 'No'],
            ['User Checker', $context->getConfig()->getUserChecker()],
            ['Provider', $context->getConfig()->getProvider()],
            ['Entry Point', $context->getConfig()->getEntryPoint()],
            ['Access Denied URL', $context->getConfig()->getAccessDeniedUrl()],
            ['Access Denied Handler', $context->getConfig()->getAccessDeniedHandler()],
        ];

        $io->table(
            ['Option', 'Value'],
            $rows
        );
    }

$request->attributes->remove('_firewall_context');
        }

        foreach ($this->map as $contextId => $requestMatcher) {
            if (null === $requestMatcher || $requestMatcher->matches($request)) {
                $request->attributes->set('_firewall_context', $contextId);

                /** @var FirewallContext $context */
                $context = $this->container->get($contextId);

                if ($context->getConfig()?->isStateless() && !$request->attributes->has('_stateless')) {
                    $request->attributes->set('_stateless', true);
                }

                return $context;
            }
        }

        return null;
    }
}

->with($request)
            ->willReturn($firewallConfig);

        $collector = new SecurityDataCollector(null, null, null, null, $firewallMap, new TraceableFirewallListener($firewallMap, new EventDispatcher(), new LogoutUrlGenerator()), true);
        $collector->collect($request, new Response());
        $collector->lateCollect();
        $collected = $collector->getFirewall();

        $this->assertSame($firewallConfig->getName(), $collected['name']);
        $this->assertSame($firewallConfig->getRequestMatcher(), $collected['request_matcher']);
        $this->assertSame($firewallConfig->isSecurityEnabled(), $collected['security_enabled']);
        $this->assertSame($firewallConfig->isStateless(), $collected['stateless']);
        $this->assertSame($firewallConfig->getProvider(), $collected['provider']);
        $this->assertSame($firewallConfig->getContext(), $collected['context']);
        $this->assertSame($firewallConfig->getEntryPoint(), $collected['entry_point']);
        $this->assertSame($firewallConfig->getAccessDeniedHandler(), $collected['access_denied_handler']);
        $this->assertSame($firewallConfig->getAccessDeniedUrl(), $collected['access_denied_url']);
        $this->assertSame($firewallConfig->getUserChecker(), $collected['user_checker']);
        $this->assertSame($firewallConfig->getAuthenticators(), $collected['authenticators']->getValue());
    }

    public function testGetFirewallReturnsNull()
    {