public function enterNode(Node $node)
    {
        if ($node instanceof Namespace_) {
            // If this is the same namespace as last namespace, let's do ourselves
            // a favor and reload all the aliases...
            if (\strtolower($node->name) === \strtolower($this->lastNamespace)) {
                $this->aliases = $this->lastAliases;
            }
        }
    }