public function getLinkClassNames()
    {
        if ($this->isButtonLink() || !$this->LinkInFooter) {
            return [];
        }
        
        $classes = [
            $this->style('button'),
            $this->ButtonTypeClass
        ];
        
        if ($this->ButtonExtraClass) {
            $classes[] = $this->ButtonExtraClass;
        }
        
        return $classes;
    }