/** * Append a node definition. * * $node = new ArrayNodeDefinition() * ->children() * ->scalarNode('foo') * ->scalarNode('baz') * ->end() * ->append($this->getBarNodeDefinition()) * ; * * @return ArrayNodeDefinition This node */ public function append(NodeDefinition $node) { $this->children[$node->name] = $node->setParent($this); return $this; }