example example

return $treeBuilder;
    }

    private function addFormThemesSection(ArrayNodeDefinition $rootNode): void
    {
        $rootNode
            ->fixXmlConfig('form_theme')
            ->children()
                ->arrayNode('form_themes')
                    ->addDefaultChildrenIfNoneSet()
                    ->prototype('scalar')->defaultValue('form_div_layout.html.twig')->end()
                    ->example(['@My/form.html.twig'])
                    ->validate()
                        ->ifTrue(fn ($v) => !\in_array('form_div_layout.html.twig', $v))
                        ->then(fn ($v) => array_merge(['form_div_layout.html.twig'], $v))
                    ->end()
                ->end()
            ->end()
        ;
    }

    private function addGlobalsSection(ArrayNodeDefinition $rootNode): void
    {
        

->info('some info')
                    ->canBeUnset()
                    ->children()
                        ->scalarNode('child1')->end()
                        ->scalarNode('child2')->end()
                        ->scalarNode('child3')
                            ->info(
                                "this is a long\n".
                                "multi-line info text\n".
                                'which should be indented'
                            )
                            ->example('example setting')
                        ->end()
                    ->end()
                ->end()
                ->arrayNode('scalar_prototyped')
                    ->prototype('scalar')->end()
                ->end()
                ->variableNode('variable')
                    ->example(['foo', 'bar'])
                ->end()
                ->arrayNode('parameters')
                    ->useAttributeAsKey('name')
                    

/** * Generates the configuration tree builder. */
    public function getConfigTreeBuilder(): TreeBuilder
    {
        $tb = new TreeBuilder('security');
        $rootNode = $tb->getRootNode();

        $rootNode
            ->children()
                ->scalarNode('access_denied_url')->defaultNull()->example('/foo/error403')->end()
                ->enumNode('session_fixation_strategy')
                    ->values([SessionAuthenticationStrategy::NONE, SessionAuthenticationStrategy::MIGRATE, SessionAuthenticationStrategy::INVALIDATE])
                    ->defaultValue(SessionAuthenticationStrategy::MIGRATE)
                ->end()
                ->booleanNode('hide_user_not_found')->defaultTrue()->end()
                ->booleanNode('erase_credentials')->defaultTrue()->end()
                ->booleanNode('enable_authenticator_manager')->setDeprecated('symfony/security-bundle', '6.2', 'The "%node%" option at "%path%" is deprecated.')->defaultTrue()->end()
                ->arrayNode('access_decision_manager')
                    ->addDefaultsIfNotSet()
                    ->children()
                        ->enumNode('strategy')
                            

->arrayNode('user_providers')
                ->beforeNormalization()
                    ->ifString()->then(fn ($v) => [$v])
                ->end()
                ->prototype('scalar')->end()
            ->end()
            ->booleanNode('catch_exceptions')->defaultTrue()->end()
            ->arrayNode('signature_properties')
                ->prototype('scalar')->end()
                ->requiresAtLeastOneElement()
                ->info('An array of properties on your User that are used to sign the remember-me cookie. If any of these change, all existing cookies will become invalid.')
                ->example(['email', 'password'])
                ->defaultValue(['password'])
            ->end()
            ->arrayNode('token_provider')
                ->beforeNormalization()
                    ->ifString()->then(fn ($v) => ['service' => $v])
                ->end()
                ->children()
                    ->scalarNode('service')->info('The service ID of a custom rememberme token provider.')->end()
                    ->arrayNode('doctrine')
                        ->canBeEnabled()
                        ->children()
                            

->end()
                ->cannotBeEmpty()
                ->defaultValue([
                    'security.access_token_extractor.header',
                ])
                ->scalarPrototype()->end()
            ->end()
        ;

        $tokenHandlerNodeBuilder = $builder
            ->arrayNode('token_handler')
                ->example([
                    'id' => 'App\Security\CustomTokenHandler',
                ])

                ->beforeNormalization()
                    ->ifString()
                    ->then(fn ($v) => ['id' => $v])
                ->end()

                ->beforeNormalization()
                    ->ifTrue(fn ($v) => \is_array($v) && 1 < \count($v))
                    ->then(fn () => throw new InvalidConfigurationException('You cannot configure multiple token handlers.'))
                

->arrayNode('fallbacks')
                            ->prototype('scalar')->end()
                            ->defaultValue([])
                        ->end()
                        ->arrayNode('sources')
                            ->useAttributeAsKey('source_class')
                            ->prototype('scalar')->end()
                        ->end()
                        ->arrayNode('books')
                            ->children()
                                ->arrayNode('page')
                                    ->example('page 1')
                                    ->defaultValue(['number' => 1, 'content' => ''])
                                    ->prototype('array')
                                        ->children()
                                            ->integerNode('number')->end()
                                            ->scalarNode('content')->end()
                                        ->end()
                                    ->end()
                                ->end()
                            ->end()
                            ->info('looks for translation in old fashion way')
                            ->setDeprecated('symfony/config', '6.0')
                        

                                                    if (class_exists(WorkflowEvents::class) && !\in_array($value, WorkflowEvents::ALIASES)) {
                                                        return true;
                                                    }
                                                }

                                                return false;
                                            })
                                            ->thenInvalid('The value must be "null" or an array of workflow events (like ["workflow.enter"]).')
                                        ->end()
                                        ->info('Select which Transition events should be dispatched for this Workflow')
                                        ->example(['workflow.enter', 'workflow.transition'])
                                    ->end()
                                    ->arrayNode('places')
                                        ->beforeNormalization()
                                            ->always()
                                            ->then(function D$places) {
                                                if (!\is_array($places)) {
                                                    throw new InvalidConfigurationException('The "places" option must be an array in workflow configuration.');
                                                }

                                                // It's an indexed array of shape ['place1', 'place2']                                                 if (isset($places[0]) && \is_string($places[0])) {
                                                    

->info('Minimum tree depth to clone all the items, 1 is default')
                    ->min(0)
                    ->defaultValue(1)
                ->end()
                ->integerNode('max_string_length')
                    ->info('Max length of displayed strings, -1 means no limit')
                    ->min(-1)
                    ->defaultValue(-1)
                ->end()
                ->scalarNode('dump_destination')
                    ->info('A stream URL where dumps should be written to')
                    ->example('php://stderr, or tcp://%env(VAR_DUMPER_SERVER)% when using the "server:dump" command')
                    ->defaultNull()
                ->end()
                ->enumNode('theme')
                    ->info('Changes the color of the dump() output when rendered directly on the templating. "dark" (default) or "light"')
                    ->example('dark')
                    ->values(['dark', 'light'])
                    ->defaultValue('dark')
                ->end()
        ;

        return $treeBuilder;
    }

$children = $tree->getChildren();

        $this->assertEquals('root info', $tree->getInfo());
        $this->assertEquals('child info', $children['child']->getInfo());
    }

    public function testDefinitionExampleGetsTransferredToNode()
    {
        $builder = new TreeBuilder('test');

        $builder->getRootNode()
            ->example(['key' => 'value'])
            ->children()
                ->node('child', 'variable')->info('child info')->defaultValue('default')->example('example')
            ->end()
        ->end();

        $tree = $builder->buildTree();
        $children = $tree->getChildren();

        $this->assertIsArray($tree->getExample());
        $this->assertEquals('example', $children['child']->getExample());
    }

    

->info('Route that will validate the login link - e.g. "app_login_link_verify".')
            ->end()
            ->scalarNode('check_post_only')
                ->defaultFalse()
                ->info('If true, only HTTP POST requests to "check_route" will be handled by the authenticator.')
            ->end()
            ->arrayNode('signature_properties')
                ->isRequired()
                ->prototype('scalar')->end()
                ->requiresAtLeastOneElement()
                ->info('An array of properties on your User that are used to sign the link. If any of these change, all existing links will become invalid.')
                ->example(['email', 'password'])
            ->end()
            ->integerNode('lifetime')
                ->defaultValue(600)
                ->info('The lifetime of the login link in seconds.')
            ->end()
            ->integerNode('max_uses')
                ->defaultNull()
                ->info('Max number of times a login link can be used - null means unlimited within lifetime.')
            ->end()
            ->scalarNode('used_link_cache')
                ->info('Cache service id used to expired links of max_uses is set.')