SettableFuture<String> future1 = SettableFuture.create();
    SettableFuture<String> future2 = SettableFuture.create();
    SettableFuture<String> future3 = SettableFuture.create();

    // Satisfy each input prior to creating compound and check the output
    future1.set(DATA1);
    future2.set(DATA2);
    future3.set(DATA3);

    ListenableFuture<List<String>> compound = allAsList(future1, future2, future3);

   * <p>Note that this entire implementation makes the assumption that all elements which are in the
   * map are also in this queue, and that all elements not in the queue are not in the map.
   *
   * <p>The benefits of creating our own queue are that (1) we can replace elements in the middle of
   * the queue as part of copyWriteEntry, and (2) the contains method is highly optimized for the
   * current model.
   */

    SettableFuture<String> future1 = SettableFuture.create();
    SettableFuture<String> future2 = SettableFuture.create();
    SettableFuture<String> future3 = SettableFuture.create();

    // Satisfy each input prior to creating compound and check the output
    future1.set(DATA1);
    future2.set(DATA2);
    future3.set(DATA3);

    ListenableFuture<List<String>> compound = allAsList(future1, future2, future3);

   *     future's result type {@code C}, see {@link DeferredCloser#eventuallyClose(Object,
   *     Executor)}.
   * @param closingExecutor the future's result will be closed on this executor
   * @deprecated Creating {@link Future}s of closeable types is dangerous in general because the
   *     underlying value may never be closed if the {@link Future} is canceled after its operation

   * <p>Note that this entire implementation makes the assumption that all elements which are in the
   * map are also in this queue, and that all elements not in the queue are not in the map.
   *
   * <p>The benefits of creating our own queue are that (1) we can replace elements in the middle of
   * the queue as part of copyWriteEntry, and (2) the contains method is highly optimized for the
   * current model.
   */

          entryItr.remove();
          result = true;
        }
      }
      return result;
    }

    @Override
    public @Nullable Object[] toArray() {
      // creating an ArrayList so filtering happens once
      return Lists.newArrayList(iterator()).toArray();
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations

         * multiple IP addresses such as when domain-based DFS is in play. Because
         * of this, to ensure that we query each IP individually without re-resolving
         * the hostname and getting a different IP, we must use the current addresses
         * IP rather than just url.getHost() like we were using prior to 1.2.16.
         */

        handle = DcerpcHandle.getHandle("ncacn_np:" +