@Override
    public void configure(SlobroksConfig config) {
        String[] list = new String[config.slobrok().size()];
        for(int i = 0; i < config.slobrok().size(); i++) {
            list[i] = config.slobrok(i).connectionspec();
        }
        slobroks.setup(list);
    }
Constructs a new config subscriber for a given config id.

@param configId the id of the config to subscribe to
messagebus/src/main/java/com/yahoo/messagebus/network/rpc/SlobrokConfigSubscriber.java