Proxy.php

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<?php
namespace Magento\Framework\App\Cache;

use \Magento\Framework\App\CacheInterface;
use \Magento\Framework\ObjectManager\NoninterceptableInterface;

class Proxy implements
    CacheInterface,
    NoninterceptableInterface
{
    protected $_objectManager;

    protected $_cache;

    public function __construct(\Magento\Framework\ObjectManagerInterface $objectManager)
    {
        $this->_objectManager = $objectManager;
    }

    protected function _getCache()
    {
        if (null == $this->_cache) {
            $this->_cache = $this->_objectManager->get(\Magento\Framework\App\Cache::class);
        }
        return $this->_cache;
    }

    public function getFrontend()
    {
        return $this->_getCache()->getFrontend();
    }

    public function load($identifier)
    {
        return $this->_getCache()->load($identifier);
    }

    public function save($data, $identifier, $tags = [], $lifeTime = null)
    {
        return $this->_getCache()->save($data, $identifier, $tags, $lifeTime);
    }

    public function remove($identifier)
    {
        return $this->_getCache()->remove($identifier);
    }

    public function clean($tags = [])
    {
        return $this->_getCache()->clean($tags);
    }
}