public static <E extends @Nullable Object> HashSet<E> newHashSet(Iterator<? extends E> elements) {
    HashSet<E> set = new HashSet<>();
    Iterators.addAll(set, elements);
    return set;
  }

  /**
   * Returns a new hash set using the smallest initial table size that can hold {@code expectedSize}

      checkArgument(!Double.isNaN(slope));
      if (isFinite(slope)) {
        double yIntercept = y1 - x1 * slope;
        return new RegularLinearTransformation(slope, yIntercept);
      } else {
        return new VerticalLinearTransformation(x1);
      }
    }
  }

  /**
   * Builds an instance representing a vertical transformation with a constant value of {@code x}.

    this.nameFormat = nameFormat;
    return this;
  }

  /**
   * Sets daemon or not for new threads created with this ThreadFactory.
   *
   * <p><b>Java 21+ users:</b> use {@link Thread.Builder.OfPlatform#daemon(boolean)} instead.
   *
   * @param daemon whether or not new Threads created with this ThreadFactory will be daemon threads
   * @return this for the builder pattern
   */

            _specification = new HpSpecification();
        }
        return _specification;
    }

    protected void assertQueryPurpose() {
    }

    protected void assertAggregationPurpose() {
    }

    protected void assertSpecifyPurpose() {
    }

    public static class HpSpecification {
        protected List<String> columnList = new ArrayList<>();

        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("web_config_id", getWebConfigId());
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();

        final File junitJar = ResourceUtil.getBuildDir(TestCase.class);
        assertTrue(junitJar.exists());
        final URL url = junitJar.toURI().toURL();
        final URLClassLoader loader = new URLClassLoader(new URL[] { url });
        loader.loadClass(TestCase.class.getName());
    }

    /**
     * @throws Exception
     */
    public void testIsExist() throws Exception {

    private JobHelper jobHelper;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        jobHelper = new JobHelper();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        ComponentUtil.register(new MockJobLogBhv(), JobLogBhv.class.getCanonicalName());
    }

    @Test
    public void test_register_with_null_scheduledJob() {
        try {

        return new AllocationDeciders(deciders);
    }

    private static final AtomicInteger portGenerator = new AtomicInteger();

    public static DiscoveryNode newNode(String nodeId, Map<String, String> attributes) {
        return new DiscoveryNode(
            "",
            nodeId,
            new TransportAddress(TransportAddress.META_ADDRESS, portGenerator.incrementAndGet()),

      try {
        try {
          urls.add(new File(entry).toURI().toURL());
        } catch (SecurityException e) { // File.toURI checks to see if the file is a directory
          urls.add(new URL("file", null, new File(entry).getAbsolutePath()));
        }
      } catch (MalformedURLException e) {
        throw new AssertionError("malformed class path entry: " + entry, e);
      }
    }

      int initialArraySize) {
    checkNonnegative(initialArraySize, "initialArraySize"); // for GWT.
    return new ArrayList<>(initialArraySize);
  }

  /**
   * Creates an {@code ArrayList} instance to hold {@code estimatedSize} elements, <i>plus</i> an
   * unspecified amount of padding; **don't do this**. Instead, use {@code new }{@link
   * ArrayList#ArrayList(int) ArrayList}{@code <>(int)} directly and choose an explicit padding