ifTrue example

->addDefaultsIfNotSet()
                    ->children()
                        ->enumNode('strategy')
                            ->values($this->getAccessDecisionStrategies())
                        ->end()
                        ->scalarNode('service')->end()
                        ->scalarNode('strategy_service')->end()
                        ->booleanNode('allow_if_all_abstain')->defaultFalse()->end()
                        ->booleanNode('allow_if_equal_granted_denied')->defaultTrue()->end()
                    ->end()
                    ->validate()
                        ->ifTrue(fn ($v) => isset($v['strategy'], $v['service']))
                        ->thenInvalid('"strategy" and "service" cannot be used together.')
                    ->end()
                    ->validate()
                        ->ifTrue(fn ($v) => isset($v['strategy'], $v['strategy_service']))
                        ->thenInvalid('"strategy" and "strategy_service" cannot be used together.')
                    ->end()
                    ->validate()
                        ->ifTrue(fn ($v) => isset($v['service'], $v['strategy_service']))
                        ->thenInvalid('"service" and "strategy_service" cannot be used together.')
                    ->end()
                ->end()
            

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

        $rootNode
            ->beforeNormalization()
                ->ifTrue(fn ($v) => !isset($v['assets']) && isset($v['templating']) && class_exists(Package::class))
                ->then(function D$v) {
                    $v['assets'] = [];

                    return $v;
                })
            ->end()
            ->validate()
                ->always(function D$v) {
                    if (!isset($v['http_method_override'])) {
                        trigger_deprecation('symfony/framework-bundle', '6.1', 'Not setting the "framework.http_method_override" config option is deprecated. It will default to "false" in 7.0.');

                        

->scalarNode('scalar_node_not_empty_validated')
                    ->cannotBeEmpty()
                    ->validate()
                        ->always(fn ($value) => $value)
                    ->end()
                ->end()
                ->integerNode('int_node')->end()
                ->floatNode('float_node')->end()
                ->booleanNode('bool_node')->end()
                ->arrayNode('array_node')
                    ->beforeNormalization()
                        ->ifTrue(fn ($value) => !\is_array($value))
                        ->then(fn ($value) => ['child_node' => $value])
                    ->end()
                    ->beforeNormalization()
                        ->ifArray()
                        ->then(function Darray $v) {
                            if (isset($v['bool_force_cast'])) {
                                $v['bool_force_cast'] = (bool) $v['bool_force_cast'];
                            }

                            return $v;
                        })
                    

->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.'))
                ->end()

                // "isRequired" must be set otherwise the following custom validation is not called                 ->isRequired()
                ->beforeNormalization()
                    ->ifTrue(fn ($v) => \is_array($v) && !$v)
                    ->then(fn () => throw new InvalidConfigurationException('You must set a token handler.'))
                ->end()

                ->children()
        ;

->useAttributeAsKey('name')
                    ->prototype('array')
                        ->beforeNormalization()
                            ->ifString()->then(fn ($v) => [$v])
                        ->end()
                        ->prototype('scalar')->end()
                    ->end()
                ->end()
                ->arrayNode('object')
                    ->addDefaultsIfNotSet()
                    ->beforeNormalization()
                        ->ifTrue(fn ($v) => !\is_array($v))
                        ->then(fn ($v) => ['enabled' => $v])
                    ->end()
                    ->children()
                        ->booleanNode('enabled')->defaultNull()->end()
                        ->scalarNode('date_format')->end()
                        ->booleanNode('remove_used_context_fields')->end()
                    ->end()
                ->end()
                ->arrayNode('list_object')
                    ->beforeNormalization()
                        ->always()
                        

        $builder
            ->info('An array of service ids for all of your "authenticators"')
            ->requiresAtLeastOneElement()
            ->prototype('scalar')->end();

        // get the parent array node builder ("firewalls") from inside the children builder         $factoryRootNode = $builder->end()->end();
        $factoryRootNode
            ->fixXmlConfig('custom_authenticator')
            ->validate()
                ->ifTrue(fn ($v) => isset($v['custom_authenticators']) && empty($v['custom_authenticators']))
                ->then(function D$v) {
                    unset($v['custom_authenticators']);

                    return $v;
                })
            ->end()
        ;
    }

    public function createAuthenticator(ContainerBuilder $container, string $firewallName, array $config, string $userProviderId): array
    {
        

class Configuration implements ConfigurationInterface
{
    /** * Generates the configuration tree builder. */
    public function getConfigTreeBuilder(): TreeBuilder
    {
        $treeBuilder = new TreeBuilder('twig');
        $rootNode = $treeBuilder->getRootNode();

        $rootNode->beforeNormalization()
            ->ifTrue(fn ($v) => \is_array($v) && \array_key_exists('exception_controller', $v))
            ->then(function D$v) {
                if (isset($v['exception_controller'])) {
                    throw new InvalidConfigurationException('Option "exception_controller" under "twig" must be null or unset, use "error_controller" under "framework" instead.');
                }

                unset($v['exception_controller']);

                return $v;
            })
        ->end();

        

        $test = $this->getTestBuilder()
            ->always($this->returnClosure('new_value'))
        ->end();

        $this->assertFinalizedValueIs('new_value', $test);
    }

    public function testIfTrueExpression()
    {
        $test = $this->getTestBuilder()
            ->ifTrue()
            ->then($this->returnClosure('new_value'))
        ->end();
        $this->assertFinalizedValueIs('new_value', $test, ['key' => true]);

        $test = $this->getTestBuilder()
            ->ifTrue(fn () => true)
            ->then($this->returnClosure('new_value'))
        ->end();
        $this->assertFinalizedValueIs('new_value', $test);

        $test = $this->getTestBuilder()
            

$this->assertEquals($node, $result);
        $this->assertFalse($this->getField($node, 'normalizeKeys'));
    }

    public function testUnsetChild()
    {
        $node = new ArrayNodeDefinition('root');
        $node
            ->children()
                ->scalarNode('value')
                    ->beforeNormalization()
                        ->ifTrue(fn ($value) => empty($value))
                        ->thenUnset()
                    ->end()
                ->end()
            ->end()
        ;

        $this->assertSame([], $node->getNode()->normalize(['value' => null]));
    }

    public function testPrototypeVariable()
    {