private List<ModelProblem> problems;

    DefaultModelBuildingResult() {
        modelIds = new ArrayList<>();
        rawModels = new HashMap<>();
        activePomProfiles = new HashMap<>();
        activeExternalProfiles = new ArrayList<>();
        problems = new ArrayList<>();
    }

    DefaultModelBuildingResult(ModelBuildingResult result) {
        this();

        if (StringUtil.isBlank(regex)) {
            throw new CrawlerSystemException("A regular expression is null.");
        }
        if (client == null) {
            throw new CrawlerSystemException("CrawlerClient is null.");
        }
        int current = 0;
        boolean added = false;
        final Map<Pattern, CrawlerClient> newClientMap = new LinkedHashMap<>();

        super(name, properties);
    }

    private static final long SEED = ( new Random() ).nextLong();


    @Override
    @Before
    public void setUp () throws Exception {
        super.setUp();
    }


    static Random getRandom () {
        return new Random(SEED);
    }


    @Parameters ( name = "{0}" )
    public static Collection<Object> configs () {

   *
   * @param map the mappings to be placed in the new map
   * @return a new {@code HashMap} initialized with the mappings from {@code map}
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <K extends @Nullable Object, V extends @Nullable Object> HashMap<K, V> newHashMap(
      Map<? extends K, ? extends V> map) {
    return new HashMap<>(map);
  }

  /**

        byte[] sessionHash = new byte[8];

        MessageDigest md5 = Crypto.getMD5();;
        md5.update(serverChallenge);
        md5.update(clientChallenge, 0, 8);
        System.arraycopy(md5.digest(), 0, sessionHash, 0, 8);

        byte[] key = new byte[21];
        System.arraycopy(passwordHash, 0, key, 0, 16);
        byte[] ntResponse = new byte[24];
        NtlmUtil.E(key, sessionHash, ntResponse);

        ImmutableList.of(
            ListTestSuiteBuilder.using(new ImmutableIntArrayAsListGenerator())
                .named("ImmutableIntArray.asList"),
            ListTestSuiteBuilder.using(new ImmutableIntArrayHeadSubListAsListGenerator())
                .named("ImmutableIntArray.asList, head subList"),
            ListTestSuiteBuilder.using(new ImmutableIntArrayTailSubListAsListGenerator())

        ImmutableList.of(
            ListTestSuiteBuilder.using(new ImmutableDoubleArrayAsListGenerator())
                .named("ImmutableDoubleArray.asList"),
            ListTestSuiteBuilder.using(new ImmutableDoubleArrayHeadSubListAsListGenerator())
                .named("ImmutableDoubleArray.asList, head subList"),
            ListTestSuiteBuilder.using(new ImmutableDoubleArrayTailSubListAsListGenerator())

  }

  public static <T> Callable<T> callableThrowing(final Exception exception) {
    return new Callable<T>() {
      @Override
      public T call() throws Exception {
        throw exception;
      }
    };
  }

  private static Runnable runnableThrowing(final RuntimeException e) {
    return new Runnable() {
      @Override
      public void run() {
        throw e;
      }
    };
  }

        Map<String, ArtifactRepository> versionIndex = new HashMap<>();

        Metadata metadata = new DefaultMetadata(
                request.getArtifact().getGroupId(),
                request.getArtifact().getArtifactId(),
                MAVEN_METADATA_XML,
                Metadata.Nature.RELEASE_OR_SNAPSHOT);

        List<MetadataRequest> metadataRequests =
                new ArrayList<>(request.getRepositories().size());

  private static final ImmutableDoubleArray EMPTY = new ImmutableDoubleArray(new double[0]);

  /** Returns the empty array. */
  public static ImmutableDoubleArray of() {
    return EMPTY;
  }

  /** Returns an immutable array containing a single value. */
  public static ImmutableDoubleArray of(double e0) {
    return new ImmutableDoubleArray(new double[] {e0});
  }