private function appendSliderDisplayRelatedFields($form, $subject)
    {
        $attribute          = $this->getAttribute();
        $isAttributeDecimal = $attribute->getBackendType() == 'decimal' || $attribute->getFrontendClass() == 'validate-number';

        if ($isAttributeDecimal && ($attribute->getFrontendInput() !== 'price')) {
            $displayFieldset = $this->createDisplayFieldset($form, $subject);
            $this->addDisplayFields($displayFieldset);
        }

        return $this;
    }