Object/facade/CacheManager.php
protected function getProvider()
    {
        if ($this->provider !== null) {
            return $this->provider;
        } else {
            $this->provider = $this->cache->getProvider();
            return $this->provider;
        }
    }
protected function getProvider()
    {
        if ($this->provider !== null) {
            return $this->provider;
        } else {
            $this->provider = $this->cache->getProvider();
            return $this->provider;
        }
    }
Get provider

Return the provider

@return CacheProviderInterface