public ServerBuilder build(HttpService service) {
        requireNonNull(service, "service");
        build0(service);
        return serverBuilder;
    }
Sets the {@link HttpService} and returns the {@link ServerBuilder} that this
{@link ServiceBindingBuilder} was created from.

@throws IllegalStateException if the path that the {@link HttpService} will be bound to is not specified
core/src/main/java/com/linecorp/armeria/server/ServiceBindingBuilder.java