public function createComponentTypeaheadForm(): Form
{
    $form = new Form();

    /** @var TypeaheadInput $typeahead */

    // name, label, display (input displayed value), suggestion callback
    $typeahead = $form->addTypeahead('typeahead', 'Typeahead', 'title', function($display, $q) {

        return $this->searchBy($q); // returns array result [title => 'foo', description => 'foo foo']
    });

    $typeahead->setPlaceholder('Začni psát...'); // initial placeholder

    // add handlebars templates (http://handlebarsjs.com/)

    // suggestion template
    $typeahead->setSuggestionTemplate(function(Html $template) {
        $inner = Html::el('div')->setText('{{title}} – {{description}}');

        return $template->addHtml($inner);
    });

    // empty template
    $typeahead->setNotFoundTemplate(function(Html $template) {
        $inner = Html::el('div')->setText('nic tu neni');

        return $template->addHtml($inner);
    });

    $form->addSubmit('ok', 'Odeslat');

    return $form;
}