DependencyInjection/Configuration.php
public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $rootNode = $treeBuilder->root('ongr_connections');

        $rootNode
            ->children()
                ->arrayNode('sync')
                    ->addDefaultsIfNotSet()
                    ->children()
                        ->arrayNode('managers')
                            ->useAttributeAsKey('manager')
                            ->prototype('array')
                                ->children()
                                    ->scalarNode('manager')->end()
                                    ->scalarNode('data_collector')->end()
                                ->end()
                            ->end()
                            ->defaultValue(
                                [
                                    'default' => [
                                        'data_collector' => 'ongr_connections.doctrine_data_collector',
                                    ],
                                ]
                            )
                        ->end()
                        ->arrayNode('sync_storage')
                            ->addDefaultsIfNotSet()
                            ->children()
                                ->arrayNode('mysql')
                                    ->addDefaultsIfNotSet()
                                    ->children()
                                        ->scalarNode('connection')->defaultValue('default')->end()
                                        ->scalarNode('table_name')->defaultValue('ongr_sync_storage')->end()
                                    ->end()
                                ->end()
                            ->end()
                        ->end()
                    ->end()
                ->end()
                ->scalarNode('active_shop')->defaultValue('default')->end()
                ->arrayNode('shops')
                    ->info('List of available shops')
                    ->useAttributeAsKey('shop')
                    ->prototype('array')
                        ->children()
                            ->scalarNode('shop_id')->end()
                        ->end()
                    ->end()
                    ->defaultValue(
                        [
                            'default' => [
                                'shop_id' => '0',
                            ],
                        ]
                    )
                ->end()
                ->scalarNode('entity_namespace')
                    ->defaultValue('ONGRConnectionsBundle:')
                    ->info('Namespace/alias for ONGRConnectionsBundle related entities')
                    ->beforeNormalization()
                        ->ifTrue(
                            function ($value) {
                                return strpos($value, '\\') === false;
                            }
                        )
                        ->then(
                            function ($value) {
                                return rtrim($value, ':') . ':';
                            }
                        )
                    ->end()
                    ->beforeNormalization()
                        ->ifTrue(
                            function ($value) {
                                return strpos($value, '\\') !== false;
                            }
                        )
                        ->then(
                            function ($value) {
                                return rtrim($value, '\\') . '\\';
                            }
                        )
                    ->end()
                ->end()
                ->append($this->getPipelinesTree())
            ->end();

        return $treeBuilder;
    }
public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder();
        $rootNode = $treeBuilder->root('ongr_connections');

        $rootNode
            ->children()
                ->arrayNode('sync')
                    ->addDefaultsIfNotSet()
                    ->children()
                        ->arrayNode('managers')
                            ->useAttributeAsKey('manager')
                            ->prototype('array')
                                ->children()
                                    ->scalarNode('manager')->end()
                                    ->scalarNode('data_collector')->end()
                                ->end()
                            ->end()
                            ->defaultValue(
                                [
                                    'default' => [
                                        'data_collector' => 'ongr_connections.doctrine_data_collector',
                                    ],
                                ]
                            )
                        ->end()
                        ->arrayNode('sync_storage')
                            ->addDefaultsIfNotSet()
                            ->children()
                                ->arrayNode('mysql')
                                    ->addDefaultsIfNotSet()
                                    ->children()
                                        ->scalarNode('connection')->defaultValue('default')->end()
                                        ->scalarNode('table_name')->defaultValue('ongr_sync_storage')->end()
                                    ->end()
                                ->end()
                            ->end()
                        ->end()
                    ->end()
                ->end()
                ->scalarNode('active_shop')->defaultValue('default')->end()
                ->arrayNode('shops')
                    ->info('List of available shops')
                    ->useAttributeAsKey('shop')
                    ->prototype('array')
                        ->children()
                            ->scalarNode('shop_id')->end()
                        ->end()
                    ->end()
                    ->defaultValue(
                        [
                            'default' => [
                                'shop_id' => '0',
                            ],
                        ]
                    )
                ->end()
                ->scalarNode('entity_namespace')
                    ->defaultValue('ONGRConnectionsBundle:')
                    ->info('Namespace/alias for ONGRConnectionsBundle related entities')
                    ->beforeNormalization()
                        ->ifTrue(
                            function ($value) {
                                return strpos($value, '\\') === false;
                            }
                        )
                        ->then(
                            function ($value) {
                                return rtrim($value, ':') . ':';
                            }
                        )
                    ->end()
                    ->beforeNormalization()
                        ->ifTrue(
                            function ($value) {
                                return strpos($value, '\\') !== false;
                            }
                        )
                        ->then(
                            function ($value) {
                                return rtrim($value, '\\') . '\\';
                            }
                        )
                    ->end()
                ->end()
                ->append($this->getPipelinesTree())
            ->end();

        return $treeBuilder;
    }
{@inheritdoc}