public function listStreams($marker = NULL, $limit = NULL, $title_prefix = NULL, $status = NULL)
{
$result = Api::listStreams($this->_transport, $this->_hub, $marker, $limit, $title_prefix, $status);
$streams = $result["items"];
if (count($streams) > 0) {
foreach ($streams as &$stream) {
$stream = new Stream($this->_transport, $stream);
}
$result["items"] = $streams;
unset($stream);
}
return $result;
}