class VerifierWebWorkerRegistry {

    public Optional<VerifierWebWorkerProvider> get(final String id) {
        if (map.containsKey(id)) {
            return Optional.of(map.get(id));
        } else {
            return Optional.empty();
        }
    }

    public  VerifierWebWorkerRegistry();
    @Inject public  VerifierWebWorkerRegistry(@Any final Instance<VerifierWebWorkerProvider> verifierWebWorkerProviders);

}