protected function validateArray($value, string $parameter, array $args = [], array $rules = null, array $context = null): ?string
    {
        $count = $args[0] ?? null;

        if ($count !== null) {
            if ($count == '' || !is_numeric($count)) {
                throw new ValidatorConfigException("Invalid array count definition for parameter {$parameter}");
            }

            $count = (int)$count;

            if ($count < 0) {
                throw new ValidatorConfigException("Invalid array count definition for parameter {$parameter}, argument can not be negative");
            }
        }

        //$value = $this->getValue($parameter);

        if ($value === null) {
            return null;
        }

        if (is_string($value) && $value === '') {
            return null;
        }

        if (!is_array($value)) {
            return Message::getMessage(Message::IS_NOT_ARRAY, [
                'param' => $parameter
            ]);
        }

        if ($count !== null) {
            $currentCount = count($value);

            if ($currentCount != $count) {
                if (ctype_digit($parameter)) {
                    $parameter = "Element on position {$parameter}";
                }

                return Message::getMessage(Message::ARRAY_WRONG_COUNT, [
                    'param' => $parameter,
                    'requiredCount' => $count,
                    'currentCount' => $currentCount
                ]);
            }
        }

        return null;
    }