private static function encodeResponse(Clazz $responseClass, $object, $wasThrown, $flags, $serializationPolicy)
{
$stream = new ServerSerializationStreamWriter($serializationPolicy);
$stream->setFlags($flags);
$stream->prepareToWrite();
if ($responseClass !== Void::typeClass()) {
$stream->serializeValue($object, $responseClass);
}
$bufferStr = ($wasThrown ? '//EX' : '//OK') . (string) $stream;
return $bufferStr;
}