BigInteger result = randomPositiveBigInteger(numBits);
    return RANDOM_SOURCE.nextBoolean() ? result : result.negate();
  }

  /**
   * Chooses a number in (-2^numBits, 2^numBits) at random, with density concentrated in numbers of
   * lower magnitude.
   */
  static BigInteger randomBigInteger(int numBits) {
    while (true) {
      if (RANDOM_SOURCE.nextBoolean()) {

        // Default constructor
    }

    /**
     * Retrieves a paginated list of groups based on the provided pager criteria.
     * Updates the pager with pagination information including page numbers and ranges.
     *
     * @param groupPager the pager containing pagination and search criteria
     * @return a list of groups matching the criteria
     */
    public List<Group> getGroupList(final GroupPager groupPager) {

  fun run() {
    val requestBody =
      object : RequestBody() {
        override fun contentType() = MEDIA_TYPE_MARKDOWN

        override fun writeTo(sink: BufferedSink) {
          sink.writeUtf8("Numbers\n")
          sink.writeUtf8("-------\n")
          for (i in 2..997) {
            sink.writeUtf8(String.format(" * $i = ${factor(i)}\n"))
          }
        }

        private fun factor(n: Int): String {

    }

    /**
     * Gets the major version number of the current Java runtime.
     * For Java 8 and below, returns the minor version (e.g., 8 for Java 1.8).
     * For Java 9 and above, returns the major version (e.g., 11 for Java 11).
     *
     * @return the Java version number, defaults to 8 if version cannot be determined
     */
    public static int getJavaVersion() {

  private Defaults() {}

  private static final Double DOUBLE_DEFAULT = 0d;
  private static final Float FLOAT_DEFAULT = 0f;

  /**
   * Returns the default value of {@code type} as defined by JLS --- {@code 0} for numbers, {@code
   * false} for {@code boolean} and {@code '\0'} for {@code char}. For non-primitive types and
   * {@code void}, {@code null} is returned.
   */
  @SuppressWarnings("unchecked")

    }

    /**
     * Formats a number using the specified pattern and user's locale.
     *
     * @param value the number to format
     * @param pattern the number format pattern
     * @return formatted number string
     */
    public static String formatNumber(final long value, final String pattern) {

        RenderData data = new RenderData();
        Set<Integer> intSet = new HashSet<>(Arrays.asList(1, 2, 3));

        RenderDataUtil.register(data, "numbers", intSet);

        Object result = data.getDataMap().get("numbers");
        assertEquals(intSet, result); // Non-entity collections are registered as-is
    }

    public void test_register_mixedList() {

        this.currentPageNumber = currentPageNumber;
    }

    /**
     * Get the page number list.
     * @return The page number list.
     */
    public List<Integer> getPageNumberList() {
        return pageNumberList;
    }

    /**
     * Set the page number list.
     * @param pageNumberList The page number list.
     */
    public void setPageNumberList(final List<Integer> pageNumberList) {

    }

    /**
     * Gets the page number list.
     *
     * @return the page number list
     */
    public List<Integer> getPageNumberList() {
        return pageNumberList;
    }

    /**
     * Sets the page number list.
     *
     * @param pageNumberList the page number list
     */
    public void setPageNumberList(final List<Integer> pageNumberList) {

      }
    }
  }

  /**
   * Used to delay string formatting until actually required, as it otherwise shows up in the test
   * execution profile when running an extremely large numbers of tests.
   */
  private String reportContext(List<E> expected) {
    return Platform.format(
        "expected collection %s; actual collection %s", expected, this.collection);
  }