Method will

src/main/java/fielded/webserver/Server.java:247–250

(Server server, WebSocket from, String address, Object payload)

                return addressPredicate.test(address);
            }
        });
        return this;
    }

    public Server addHandlerLast(Predicate<String> addressPredicate, Supplier<String> socketName, Handler h) {
        handlers.add(new HandlerInMainThread() {
            @Override