* combiner function to the corresponding values of the properties that are true.
     *
     * @param flags The map of boolean properties mapped to their values.
     * @param combiner The function to combine the values of the true properties.
     *
     * @return A provider of the reduced value. Non-present if no properties are true.
     */

  private interface ChainingCalls {
    // A method that is defined to 'return this'
    @CanIgnoreReturnValue
    ChainingCalls chainingCall();

    // A method that just happens to return a ChainingCalls object
    ChainingCalls nonChainingCall();
  }

  private static final class ForwardingChainingCalls implements ChainingCalls {
    final ChainingCalls delegate;

  }

  @Override
  public Collection<V> values() {
    return delegate.values();
  }

  @CanIgnoreReturnValue
  private <T> T checkValid(T t) {
    // a ClassCastException is what's supposed to happen!
    @SuppressWarnings("unchecked")
    K k = (K) t;
    int unused = comparator().compare(k, k);
    return t;
  }

  @Override
  public boolean equals(@Nullable Object obj) {

      ImmutableMapEntry<K, V> effectiveEntry =
          checkNoConflictInKeyBucket(key, value, keyBucketHead, throwIfDuplicateKeys);
      if (effectiveEntry == null) {
        // prepend, not append, so the entries can be immutable
        effectiveEntry =
            (keyBucketHead == null)
                ? makeImmutable(entry, key, value)

      val toVerify = result[result.size - 1] as X509Certificate

      // If this cert has been signed by a trusted cert, use that. Add the trusted certificate to
      // the end of the chain unless it's already present. (That would happen if the first
      // certificate in the chain is itself a self-signed and trusted CA certificate.)
      val trustedCert = trustRootIndex.findByIssuerAndSignature(toVerify)
      if (trustedCert != null) {

  }

  @Override
  public <T> T[] toArray(T[] a) {
    return delegate.toArray(a);
  }

  @CanIgnoreReturnValue
  private <T> T checkValid(T t) {
    // a ClassCastException is what's supposed to happen!
    @SuppressWarnings("unchecked")
    E e = (E) t;
    int unused = comparator().compare(e, e);
    return t;
  }

  @Override
  public boolean equals(@Nullable Object obj) {

                getKeyForNullValue(),
                v3(),
                (oldV, newV) -> {
                  throw new AssertionFailedError(
                      "Should not call merge function if key was mapped to null");
                }));
    expectReplacement(entry(getKeyForNullValue(), v3()));
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
  public void testMergeAbsentNullKey() {
    assertEquals(

          Reflection.newProxy(Map.class, new CheckSetUpInvocationHandler(map, setUpRan));
      return proxy;
    }
  }

  /**
   * Intercepts calls to a {@code Map} to check that {@code setUpRan} is true when they happen. Then
   * forwards the calls to the underlying {@code Map}.
   */
  private static class CheckSetUpInvocationHandler implements InvocationHandler, Serializable {
    private final Map<String, String> map;

        if (highlightQueries != null) {
            final StringBuilder buf = new StringBuilder(100);
            highlightQueries.stream().forEach(q -> {
                buf.append("&hq=").append(LaFunctions.u(q));
            });
            data.setAppendHighlightParams(buf.toString());
        }

        queryResponseList.setExecTime(systemHelper.getCurrentTimeAsLong() - startTime);

 * views are modifiable.
 *
 * <p>This class is not threadsafe when any concurrent operations update the multimap. Concurrent
 * read operations will work correctly if the last write <i>happens-before</i> any reads. To allow
 * concurrent update operations, wrap your multimap with a call to {@link
 * Multimaps#synchronizedSetMultimap}.
 *