code: public final UdpClient addressSupplier(Supplier<? extends SocketAddress> connectingAddressSupplier) {
  		Objects.requireNonNull(connectingAddressSupplier, "connectingAddressSupplier");
  		return bootstrap(b -> b.remoteAddress(connectingAddressSupplier.get()));
  	}
docs: The address to which this client should connect on subscribe.
  
  @param connectingAddressSupplier A supplier of the address to connect to.
  
  @return a new {@link UdpClient}