public function setRangeInput($rangeInput)
    {
        if ($rangeInput instanceof FormField) {
            // Prevent any further init on this field
            $rangeInput->addExtraClass("flatpickr-init");
            $rangeInput = $rangeInput->ID();
        }
        $rangeInput = '#' . trim($rangeInput, '#');
        $this->rangeInput = $rangeInput;

        return $this;
    }