* implementations.
 *
 * <p>This base implementation has no key or value pointers, so instances of ImmutableMapEntry (but
 * not its subclasses) can be reused when copied from one ImmutableMap to another.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible // unnecessary
class ImmutableMapEntry<K, V> extends SimpleImmutableEntry<K, V> {
  /**

func compareXLMetaV1(t *testing.T, unMarshalXLMeta, jsoniterXLMeta xlMetaV1Object) {
	// Start comparing the fields of xlMetaV1Object obtained from jsoniter parsing with one parsed using json unmarshalling.
	if unMarshalXLMeta.Version != jsoniterXLMeta.Version {
		t.Errorf("Expected the Version to be \"%s\", but got \"%s\".", unMarshalXLMeta.Version, jsoniterXLMeta.Version)
	}

     */
    public static final String DEFAULT_SELF_COMBINATION_MODE = SELF_COMBINATION_MERGE;

    /** Attribute name for ID-based combination mode */
    public static final String ID_COMBINATION_MODE_ATTRIBUTE = "combine.id";
    /**
     * Attribute name for key-based combination mode.
     * Value should be a comma-separated list of attribute names.
     */

    AtomicDoubleArray aa = new AtomicDoubleArray(SIZE);
    for (int i : new int[] {0, SIZE - 1}) {
      double prev = 0.0;
      double unused = Math.E + Math.PI;
      for (double x : VALUES) {
        assertBitEquals(prev, aa.get(i));
        assertFalse(aa.compareAndSet(i, unused, x));
        assertBitEquals(prev, aa.get(i));
        assertTrue(aa.compareAndSet(i, prev, x));
        assertBitEquals(x, aa.get(i));

  }

  /**
   * Gets a {@code Throwable} cause chain as a list. The first entry in the list will be {@code
   * throwable} followed by its cause hierarchy. Note that this is a snapshot of the cause chain and
   * will not reflect any subsequent changes to the cause chain.
   *
   * <p>Here's an example of how it can be used to find specific types of exceptions in the cause
   * chain:
   *
   * <pre>

            assertEquals(TIME_MID, uuid.time_mid, "time_mid should be parsed correctly");
            assertEquals(TIME_HI_AND_VERSION, uuid.time_hi_and_version, "time_hi_and_version should be parsed correctly");
            assertEquals(CLOCK_SEQ_HI_AND_RESERVED, uuid.clock_seq_hi_and_reserved, "clock_seq_hi_and_reserved should be parsed correctly");

  private long currentTimeNanos() {
    return ticker.read();
  }

  private void alertListenerIfPresent(K key, V value, RemovalCause cause) {
    if (removalListener != null) {
      removalListener.onRemoval(RemovalNotification.create(key, value, cause));
    }
  }

  @SuppressWarnings("GoodTime") // timestamps as numeric primitives
  private V load(K key) throws ExecutionException {

    int numberOfThreads = 64;
    runConcurrentTest(
        numberOfThreads,
        new Callable<@Nullable Void>() {
          @Override
          public @Nullable Void call() throws Exception {
            long unused = ticker.read();
            return null;
          }
        });

    assertEquals(incrementByNanos * numberOfThreads, ticker.read());
  }

     */
    @Deprecated
    public DefaultProfileManager(PlexusContainer container) {
        this(container, null);
    }

    /**
     * the properties passed to the profile manager are the props that
     * are passed to maven, possibly containing profile activator properties
     *
     */
    public DefaultProfileManager(PlexusContainer container, Properties props) {
        try {

        }

        // Test null exception separately since it causes NullPointerException
        try {
            WebApiUtil.setError(400, (Exception) null);
            fail("setError should throw NullPointerException when passed null exception");
        } catch (NullPointerException e) {
            // Expected - WebApiException constructor cannot handle null exception