if (receiver != null) { if (state.fanout == null) { state.fanout = new FanoutReceiver<Void>();
if (receiver != null) { if (state.fanout == null) { state.fanout = new FanoutReceiver<Void>();
if (receiver != null) { if (state.fanout == null) { state.fanout = new FanoutReceiver<Void>();
if (receiver != null) { if (state.fanout == null) { state.fanout = new FanoutReceiver<Void>();