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