public RESULT addGroup(ChannelGroup group, bool propagatedspclock, out DSPConnection connection)
        {
            connection = null;
            IntPtr raw;
            RESULT result = ChannelGroup.FMOD5_ChannelGroup_AddGroup(base.getRaw(), group.getRaw(), propagatedspclock, out raw);

            connection = new DSPConnection(raw);
            return(result);
        }