public function findButton($selector)
    {
        $element = $this->getWorkingElement();

        // Search inside of: "id", "name", "title", "alt" and "value" attributes.
        return $element->findButton($selector)
            ?: (new XPath\InaccurateText('//button', $element))->text($selector)->find();
    }
public function findButton($selector)
    {
        $element = $this->getWorkingElement();

        // Search inside of: "id", "name", "title", "alt" and "value" attributes.
        return $element->findButton($selector)
            ?: (new XPath\InaccurateText('//button', $element))->text($selector)->find();
    }
@param string $selector

@return NodeElement