src/DependencyInjection/Configuration.php
private function getTypesNode()
    {
        $node = $this->createTreeBuilderNode('types');

        $node
            ->useAttributeAsKey('name')
            ->prototype('array')
                ->treatNullLike([])
                ->beforeNormalization()
                ->ifNull()
                    ->thenEmptyArray()
                ->end()
                // Support multiple dynamic_template formats to match the old bundle style
                // and the way ElasticSearch expects them
                ->beforeNormalization()
                ->ifTrue(function ($v) {
                    return isset($v['dynamic_templates']);
                })
                ->then(function ($v) {
                    $dt = [];
                    foreach ($v['dynamic_templates'] as $key => $type) {
                        if (is_int($key)) {
                            $dt[] = $type;
                        } else {
                            $dt[][$key] = $type;
                        }
                    }

                    $v['dynamic_templates'] = $dt;

                    return $v;
                })
                ->end()
                ->children()
                    ->booleanNode('date_detection')->end()
                    ->arrayNode('dynamic_date_formats')->prototype('scalar')->end()->end()
                    ->scalarNode('analyzer')->end()
                    ->booleanNode('numeric_detection')->end()
                    ->scalarNode('dynamic')->end()
                    ->variableNode('indexable_callback')->end()
                    ->append($this->getPersistenceNode())
                    ->append($this->getSerializerNode())
                ->end()
                ->append($this->getIdNode())
                ->append($this->getPropertiesNode())
                ->append($this->getDynamicTemplateNode())
                ->append($this->getSourceNode())
                ->append($this->getRoutingNode())
                ->append($this->getParentNode())
                ->append($this->getAllNode())
            ->end()
        ;

        return $node;
    }
private function getTypesNode()
    {
        $node = $this->createTreeBuilderNode('types');

        $node
            ->useAttributeAsKey('name')
            ->prototype('array')
                ->treatNullLike([])
                ->beforeNormalization()
                ->ifNull()
                    ->thenEmptyArray()
                ->end()
                // Support multiple dynamic_template formats to match the old bundle style
                // and the way ElasticSearch expects them
                ->beforeNormalization()
                ->ifTrue(function ($v) {
                    return isset($v['dynamic_templates']);
                })
                ->then(function ($v) {
                    $dt = [];
                    foreach ($v['dynamic_templates'] as $key => $type) {
                        if (is_int($key)) {
                            $dt[] = $type;
                        } else {
                            $dt[][$key] = $type;
                        }
                    }

                    $v['dynamic_templates'] = $dt;

                    return $v;
                })
                ->end()
                ->children()
                    ->booleanNode('date_detection')->end()
                    ->arrayNode('dynamic_date_formats')->prototype('scalar')->end()->end()
                    ->scalarNode('analyzer')->end()
                    ->booleanNode('numeric_detection')->end()
                    ->scalarNode('dynamic')->end()
                    ->variableNode('indexable_callback')->end()
                    ->append($this->getPersistenceNode())
                    ->append($this->getSerializerNode())
                ->end()
                ->append($this->getIdNode())
                ->append($this->getPropertiesNode())
                ->append($this->getDynamicTemplateNode())
                ->append($this->getSourceNode())
                ->append($this->getRoutingNode())
                ->append($this->getParentNode())
                ->append($this->getAllNode())
            ->end()
        ;

        return $node;
    }
Returns the array node used for "types".