ECrm::isUsePrefix

static function isUsePrefix(FieldType $fieldType): ?bool
	{
		$options = $fieldType->getOptions();

		if (is_array($options))
		{
			unset($options['VISIBLE']);

			return count(array_filter($options, static fn($mark) => $mark === 'Y')) !== 1;
		}

		return null;
	}