MAGENTO 2: PHP Parse error: syntax error, unexpected ‘MageSuite’ (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) … on line 7

I installed the module and after command

bin/magento setup:di:compile

I receive error:

PHP Parse error: syntax error, unexpected ‘MageSuite’ (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) … on line 7

protected MageSuiteLowestPriceLoggerModelGetCurrentDate $getCurrentDate;

<?php

namespace MageSuiteLowestPriceLoggerModelResourceModel;

class PriceHistoryLog extends MagentoFrameworkModelResourceModelDbAbstractDb

{

protected MageSuiteLowestPriceLoggerModelGetCurrentDate $getCurrentDate;

public function __construct(
    MagentoFrameworkModelResourceModelDbContext $context,
    MageSuiteLowestPriceLoggerModelGetCurrentDate $getCurrentDate,
    $connectionName = null
) {
    parent::__construct($context, $connectionName);

    $this->getCurrentDate = $getCurrentDate;
}

protected function _construct()
{
    $this->_init('price_history_log', 'log_id');
}

public function getPriceHistory(array $productIds, int $websiteId = null, int $customerGroupId = null)
{
    $select = $this->getConnection()->select();
    $select->from($this->getTableName());

    $select->where('product_id IN(?)', $productIds);

    if ($websiteId !== null) {
        $select->where('website_id = ?', $websiteId);
    }

    if ($customerGroupId !== null) {
        $select->where('customer_group_id = ?', $customerGroupId);
    }

    $select->where(new Zend_Db_Expr(sprintf('`log_date` > "%s"-INTERVAL 30 day', $this->getCurrentDate->execute())));
    $select->order('price DESC');

    return $this->getConnection()->fetchAll($select);
}

public function getLowestPrices(array $productIds, int $websiteId, int $customerGroupId)
{
    $select = $this->getConnection()->select();
    $select->from($this->getTableName());

    $select->where('product_id IN(?)', $productIds);
    $select->where('website_id = ?', $websiteId);
    $select->where('customer_group_id = ?', $customerGroupId);
    $select->where(new Zend_Db_Expr('`log_date` > NOW()-INTERVAL 30 day'));

    $select->order('price ASC');
    $select->group('product_id');

    return $this->getConnection()->fetchAll($select);
}

public function getLowestPrice(array $productIds, int $websiteId, int $customerGroupId)
{
    $select = $this->getConnection()->select();
    $select->from($this->getTableName());

    $select->where('product_id IN(?)', $productIds);
    $select->where('website_id = ?', $websiteId);
    $select->where('customer_group_id = ?', $customerGroupId);
    $select->where(new Zend_Db_Expr('`log_date` > NOW()-INTERVAL 30 day'));

    $select->order('price ASC');
    $select->limit(1);

    return $this->getConnection()->fetchRow($select);
}

public function getLastPricesPerProduct(array $productIds, int $websiteId = null, int $customerGroupId = null)
{
    $select = $this->getConnection()->select();
    $select->from($this->getTableName());

    if ($websiteId !== null) {
        $select->where('website_id = ?', $websiteId);
    }

    if ($customerGroupId !== null) {
        $select->where('customer_group_id = ?', $customerGroupId);
    }

    $select->where('product_id IN(?)', $productIds);
    $select->group(['product_id', 'customer_group_id', 'website_id', 'price_type']);
    $select->order(['log_date DESC', 'log_id DESC']);

    $pricesToCompare = [];

    foreach ($this->getConnection()->fetchAll($select) as $price) {
        $pricesToCompare[$price['product_id']][$price['customer_group_id']][$price['website_id']][$price['price_type']] = $price['price'];
    }

    return $pricesToCompare;
}

public function deleteOlderThan($retentionPeriodInDays)
{
    $retentionPeriodInDays = (int)$retentionPeriodInDays;

    if ($retentionPeriodInDays <= 0) {
        return;
    }

    $this->getConnection()->delete(
        $this->getTableName(),
        "log_date < date_sub(CURDATE(), INTERVAL " . $retentionPeriodInDays . " Day)"
    );
}

public function addPricesToLog($prices)
{
    return $this->getConnection()->insertMultiple(
        $this->getTableName(),
        $prices
    );
}

public function cleanTable()
{
    return $this->getConnection()->truncateTable($this->getTableName());
}

protected function getTableName(): string
{
    return $this->getConnection()->getTableName('price_history_log');
}

}