public function readMapWithoutTag()
{
$map = array();
$this->refer->set($map);
$count = (int) $this->stream->readuntil(Tags::TagOpenbrace);
for ($i = 0; $i < $count; ++$i) {
$key = $this->unserializeKey();
$map[$key] = $this->unserialize();
}
$this->stream->skip(1);
return $map;
}