AwsInspector\Ssh\PrivateKey::get PHP Метод

    public static function get($privateKeyFile)
    {
        if (!isset(self::$keys[$privateKeyFile])) {
            self::$keys[$privateKeyFile] = new PrivateKey($privateKeyFile);
        }
        return self::$keys[$privateKeyFile];
    }

 public function getPrivateKey()
 {
     $keyName = $this->getKeyName();
     if (empty($keyName)) {
         return null;
         // throw new \Exception('No KeyName found');
     }
     return PrivateKey::get('keys/' . $keyName . '.pem');
 }