Piwik\Plugins\Marketplace\Api\Client::clearAllCacheEntries PHP Method

    public function clearAllCacheEntries()
    {
        $this->cache->flushAll();
    }

 private function setLicenseKey($licenseKey)
 {
     $key = new LicenseKey();
     $key->set($licenseKey);
     $this->marketplaceClient->clearAllCacheEntries();
     $this->expired->clearCache();
 }