public function refresh(): void
    {
        $this->size = null;
        $this->lastModified = null;
        $this->isReadable = null;
        $this->isWritable = null;
        $this->exists = null;
        $this->created = null;
        $this->isSymLink = null;
        $this->isDir = null;
        $this->isFile = null;
        $this->isExecutable = null;
        $this->ownerId = null;
        $this->owner = null;
        $this->group = null;
        $this->groupId = null;
        $this->lastRead = null;
    }