assertThat(loadCount.get()).isEqualTo(0);
    assertThat(reloadCount.get()).isEqualTo(0);
    assertThat(loadAllCount.get()).isEqualTo(0);

    Object unused1 = baseLoader.load(new Object());
    @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
    Future<?> possiblyIgnoredError = baseLoader.reload(new Object(), new Object());
    Map<Object, Object> unused2 = baseLoader.loadAll(ImmutableList.of(new Object()));

        () -> {
          ImmutableListMultimap<Object, Integer> unused =
              fluent(1, 2, 3).index(Functions.constant(null));
        });
  }

  public void testIndex_nullValue() {
    assertThrows(
        NullPointerException.class,
        () -> {
          ImmutableListMultimap<String, Integer> unused =
              fluent(1, null, 2).index(Functions.constant("foo"));
        });
  }

  public static class PublicFoo {}

  static class FooTest {
    @SuppressWarnings("unused") // accessed reflectively
    public void testPublic() {}

    @SuppressWarnings("unused") // accessed reflectively
    void testNotPublic() {}
  }

  // Shouldn't be mistaken as Foo's test
  static class Foo2Test {
    @SuppressWarnings("unused") // accessed reflectively
    public void testPublic() {}
  }

  public void testCompareAndSet() {
    double prev = Math.E;
    double unused = Math.E + Math.PI;
    AtomicDouble at = new AtomicDouble(prev);
    for (double x : VALUES) {
      assertBitEquals(prev, at.get());
      assertFalse(at.compareAndSet(unused, x));
      assertBitEquals(prev, at.get());
      assertTrue(at.compareAndSet(prev, x));
      assertBitEquals(x, at.get());

            QueryOp.create(
                "BiMap.get",
                (biMap, key) -> {
                  Object unused = biMap.get(key);
                },
                Math::log),
            QueryOp.create(
                "BiMap.inverse.get",
                (biMap, o) -> {
                  Object unused = biMap.inverse().get(o);
                },
                Math::log)));
  }

    assertEquals(2, factory2.newThread(monitoredRunnable).getPriority());
  }

  public void testBuildTwice() {
    ThreadFactory unused;
    unused = builder.build(); // this is allowed
    unused = builder.build(); // this is *also* allowed
  }

  public void testBuildMutate() {
    ThreadFactory factory1 = builder.setPriority(1).build();

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;

/**
 * Unused stub class, unreferenced under Java and manually emulated under GWT.
 *
 * @author Chris Povirk
 */
@GwtCompatible
abstract class ForwardingImmutableList<E> {
  private ForwardingImmutableList() {}

    // We'd like for all the following to compile.
    ListenableFuture<String> unused;

    // Compiles:
    unused = whenAllComplete(futureA, futureB).call(combiner, directExecutor());

    // Does not compile:
    // unused = whenAllComplete(futures).call(combiner);

    // Workaround for the above:
    unused = whenAllComplete(asList(futures)).call(combiner, directExecutor());
  }

    // We'd like for all the following to compile.
    ListenableFuture<String> unused;

    // Compiles:
    unused = whenAllComplete(futureA, futureB).call(combiner, directExecutor());

    // Does not compile:
    // unused = whenAllComplete(futures).call(combiner);

    // Workaround for the above:
    unused = whenAllComplete(asList(futures)).call(combiner, directExecutor());
  }

    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));