private function getDefaultFilters()
    {
        return [
            'capitalize'  => Filters\CapitalizeFilter::class,
            'email'       => Filters\EmailFilter::class,
            'escape'      => Filters\EscapeFilter::class,
            'format_date' => Filters\FormatDateFilter::class,
            'lowercase'   => Filters\LowercaseFilter::class,
            'slug'        => Filters\SlugFilter::class,
            'trim'        => Filters\TrimFilter::class,
            'uppercase'   => Filters\UppercaseFilter::class,
            'url'         => Filters\UrlFilter::class,
        ];
    }