public function getConfigTreeBuilder()
{
$treeBuilder = new TreeBuilder();
$rootNode = $treeBuilder->root('aimeos_shop');
$rootNode->children()->booleanNode('disable_sites')->defaultValue(true)->end()->booleanNode('apc_enable')->defaultValue(false)->end()->scalarNode('apc_prefix')->defaultValue('sf2:')->end()->scalarNode('extdir')->end()->scalarNode('uploaddir')->end()->variableNode('admin')->defaultValue(array())->end()->variableNode('client')->defaultValue(array())->end()->variableNode('controller')->defaultValue(array())->end()->variableNode('i18n')->defaultValue(array())->end()->variableNode('madmin')->defaultValue(array())->end()->variableNode('mshop')->defaultValue(array())->end()->variableNode('resource')->defaultValue(array())->end()->variableNode('page')->defaultValue(array())->end()->variableNode('backend')->defaultValue(array())->end()->variableNode('frontend')->defaultValue(array())->end()->variableNode('command')->defaultValue(array())->end()->end();
return $treeBuilder;
}