Former\Traits\Field::isButton PHP Method

    public function isButton()
    {
        return false;
    }

 public function getFieldClasses(Field $field, $classes = array())
 {
     if ($field->isButton()) {
         $classes = $this->filterButtonClasses($classes);
     } else {
         $classes = $this->filterFieldClasses($classes);
     }
     return $this->addClassesToField($field, $classes);
 }