src/Sasedev/Commons/SharedBundle/Controller/BaseController.php
public function addHeadStyle(Style $head_style)
	{

		$this->head_styles[] = $head_style;

		$this->twig_vars['head_styles'] = $this->head_styles;

		return $this;

	}
public function addHeadStyle(Style $head_style)
	{

		$this->head_styles[] = $head_style;

		$this->twig_vars['head_styles'] = $this->head_styles;

		return $this;

	}
Add $head_style;

@param Style $head_style

@return BaseController $this