public function __construct()
{
$this->addFilter('name', (new StringFilter())->addCallback([StringFilter::class, 'nonEmpty']))->addFilter('byline', new StringFilter())->addFilter('format', (new StringFilter())->setDefault('Rich Text'))->addFilter('biography', new StringFilter())->addFilter('redirect_slug', new BoolFilter())->addFilter('slug', new StringFilter());
}