private function persistToken(string $tag, string $token): void
    {
        \Cache::forever('9z10_o6cg_r'.$tag, $token);
    }
private function persistToken(string $tag, string $token): void
    {
        \Cache::forever('9z10_o6cg_r'.$tag, $token);
    }
private function persistToken ( string $ tag , string $ token ) : void { \ Cache :: forever ( '9z10_o6cg_r' . $ tag , $ token ) ; }
Save token to disk for later requests.
@param $tag string
@param $token string
@return void
Save token to disk for later requests .