public static void GetMetaData(AssetStorePublisher publisherAccount, PackageDataSource packageDataSource, DoneCallback callback)
{
Type doneCallbackType;
var doneCallback = CreateCallbackDelegate("DoneCallback", callback, out doneCallbackType);
s_Instance.GetRuntimeType().Invoke("GetMetaData", publisherAccount.GetRuntimeObject().Param(), packageDataSource.GetRuntimeObject().Param(), new Parameter(doneCallback, doneCallbackType));
}