if (queueSize < 1 || batchMaxSize < 1) {
            throw new IllegalArgumentException("Queue and batch sizes must be greater than 1");
        }
        this.batchMaxSize = batchMaxSize;
        this.blockOnLastEvent = blockOnLastEvent;

        this.eventQueue = new ArrayBlockingQueue<>(queueSize);
        Thread updater = new Thread(this::feedConsumer);
        updater.setDaemon(true);
        updater.start();

        final ModelBuildingRequest request = new DefaultModelBuildingRequest()
                .setValidationLevel(validationLevel)
                .setLocationTracking(locationTracking)
                .setModelSource(new FileModelSource(pomFile));
        DefaultModelProblemCollector problems = new DefaultModelProblemCollector(new DefaultModelBuildingResult());
        try {

        KerberosTicket ticket = getKerberosTicket(keytab, principal);
        Set<Object> privCreds = new HashSet<>();
        privCreds.add(ticket);
        return new Subject(false, new HashSet<>(Arrays.asList((Principal) principal)), Collections.EMPTY_SET, privCreds);
    }

            } else if (clazz == VersionRangeResolver.class) {
                return (T) new DefaultVersionRangeResolver(repositorySystem);
            } else if (clazz == ArtifactResolver.class) {
                return (T) new DefaultArtifactResolver();
            } else if (clazz == ArtifactManager.class) {

        return new Result<>(true, model, problems);
    }

    /**
     * New result - determine whether error or success by checking problems for errors
     *
     * @param model
     * @param problems
     */
    public static <T> Result<T> newResult(T model, Iterable<? extends ModelProblem> problems) {
        return new Result<>(hasErrors(problems), model, problems);
    }

    final RecordingSubscriberExceptionHandler handler = new RecordingSubscriberExceptionHandler();
    final EventBus eventBus = new EventBus(handler);
    final RuntimeException exception =
        new RuntimeException("but culottes have a tendency to ride up!");
    final Object subscriber =
        new Object() {
          @Subscribe
          public void throwExceptionOn(String message) {

    }


    protected CIFSContext getNewContext () throws CIFSException {
        Properties props = new Properties();
        props.putAll(this.properties);
        return new BaseContext(new PropertyConfiguration(props));
    }


    protected Map<String, String> getProperties () {
        return this.properties;
    }


    protected String getRequiredProperty ( String prop ) {

                }
            }
        }

        ArtifactFilter scopeFilter = new ScopeArtifactFilter( scope );

        ArtifactFilter filter;

        if ( ! exclusions.isEmpty() )
        {
            filter = new AndArtifactFilter( Arrays.asList( new ArtifactFilter[]{
                new ExcludesArtifactFilter( exclusions ), scopeFilter } ) );
        }
        else
        {

        assertFalse(kuromojiItem1.equals(new KuromojiItem(1, "t1", "s1", "R1", "p1")));
        assertFalse(kuromojiItem1.equals(new KuromojiItem(1, "t1", "s1", "r1", "P1")));
    }

    public void test_toLineString() {
        assertEquals("t1,s1,r1,p1", new KuromojiItem(1, "t1", "s1", "r1", "p1").toLineString());

            wagon.connect(new Repository(repository.getId(), repository.getUrl()), proxyInfo(repository));
        } else {
            wagon.connect(new Repository(repository.getId(), repository.getUrl()));
        }
    }

    private AuthenticationInfo authenticationInfo(ArtifactRepository repository) {
        AuthenticationInfo ai = new AuthenticationInfo();