public static void SendPacket(this IBroadcastable channelGroup, IPacket packet, IChannelMatcher matcher)
 {
     channelGroup.SendPackets(new[] { packet }, matcher);
 }
 public static void SendPackets(this IBroadcastable channelGroup, IEnumerable <IPacket> packets)
 {
     channelGroup.SendPackets(packets, null);
 }
 public static void SendPacket(this IBroadcastable channelGroup, IPacket packet)
 {
     channelGroup.SendPackets(new[] { packet });
 }