/**
* @return AssetCollection
*/
protected function getAsset()
{
if (!$this->asset) {
$inputs = array($this->getBootstrapLessFile());
$filters = array('lessphp');
$options = array('output' => 'css/*.css');
$this->asset = $this->factory->createAsset($inputs, $filters, $options);
}
return $this->asset;
}