Magento2 access protected property for plugin

PricePlugin.php

<?php
/**
 * Imagination Media
 *
 * @category  ImaginationMedia
 * @package   ImaginationMedia_
 * @author    Calin Diacon <calin@imaginationmedia.com>
 * @copyright Copyright (c) 2020 Imagination Media (https://www.imaginationmedia.com/)
 * @license   https://opensource.org/licenses/OSL-3.0.php Open Software License 3.0
 */

namespace ImaginationMedia\Catalog\Plugin;

use Magento\ConfigurableProduct\Pricing\Price\ConfigurablePriceResolver;
use Magento\ConfigurableProduct\Pricing\Price\LowestPriceOptionsProviderInterface;
use Magento\Framework\Pricing\SaleableInterface;
use ReflectionClass;

class PluginPrice
{
    /**
     * @var LowestPriceOptionsProviderInterface
     */
    private $lowestPriceOptionsProvider;

    public function __construct(
        LowestPriceOptionsProviderInterface $lowestPriceOptionsProvider
    )
    {

        $this->lowestPriceOptionsProvider = $lowestPriceOptionsProvider;
    }

    /**
     * @param ConfigurablePriceResolver $subject
     * @param callable $proceed
     * @param SaleableInterface $product
     */
    public function aroundResolvePrice(
        ConfigurablePriceResolver $subject,
        callable $proceed,
        SaleableInterface $product
    ) {

        $reflection = new ReflectionClass($subject);
        $property   = $reflection->getProperty('priceResolver');
        $property->setAccessible(true);
        $priceResolver = $property->getValue($subject);

        $price = null;

        foreach ($this->lowestPriceOptionsProvider->getProducts($product) as $subProduct) {
            $productPrice = $priceResolver->resolvePrice($subProduct);
            $price = isset($price) ? min($price, $productPrice) : $productPrice;
        }

        return $proceed($product);
    }
}