volatile ValueReference<K, V> oldValue;

    // TODO(fry): rename get, then extend AbstractFuture instead of containing SettableFuture
    final SettableFuture<V> futureValue = SettableFuture.create();
    final Stopwatch stopwatch = Stopwatch.createUnstarted();

    public LoadingValueReference() {
      this(LocalCache.<K, V>unset());
    }

    /*

    if (!mutation_warning.empty()) {
      // TODO(b/74949947): turn this back into an error status
      LOG(WARNING) << mutation_warning;
      session->graph->sessions[session].clear();
    }

    const auto num_nodes = graph.num_node_ids();
    if (session->last_num_graph_nodes < num_nodes) {
      // TODO(nolivia): check this on a subset of the graph instead of all of
      // it.

  }

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this
  @Override
  public @Nullable V get(@Nullable Object key) {
    if (key == null) {
      return null;
    }
    int hash = hash(key);
    return segmentFor(hash).get(key, hash);
  }

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this

     * it's hard to imagine that anything will break in practice.)
     */
    clearInterrupt();
    aggregateFutureLogger.removeHandler(aggregateFutureLogHandler);
    super.tearDown();
  }

  /*
   * TODO(cpovirk): Use FutureSubject once it's part of core Truth. But be wary of using it when I'm
   * really testing a Future implementation (e.g., in the case of immediate*Future()). But it's OK

     * it's hard to imagine that anything will break in practice.)
     */
    clearInterrupt();
    aggregateFutureLogger.removeHandler(aggregateFutureLogHandler);
    super.tearDown();
  }

  /*
   * TODO(cpovirk): Use FutureSubject once it's part of core Truth. But be wary of using it when I'm
   * really testing a Future implementation (e.g., in the case of immediate*Future()). But it's OK

import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * @author Charles Fry
 */
@SuppressWarnings("GuardedBy") // TODO(b/35466881): Fix or suppress.
@NullUnmarked
public class LocalCacheTest extends TestCase {
  @AndroidIncompatible
  private static class TestStringCacheGenerator extends TestStringMapGenerator {

import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * @author Charles Fry
 */
@SuppressWarnings("GuardedBy") // TODO(b/35466881): Fix or suppress.
@NullUnmarked
public class LocalCacheTest extends TestCase {
  @AndroidIncompatible
  private static class TestStringCacheGenerator extends TestStringMapGenerator {

 *
 * @param <V> the type of the value of this step
 * @since 30.0
 */
// TODO(dpb): Consider reusing one CloseableList for the entire pipeline, modulo combinations.
@DoNotMock("Use ClosingFuture.from(Futures.immediate*Future)")
@J2ktIncompatible
@GwtIncompatible // TODO(dpb): GWT compatibility.
public final class ClosingFuture<V extends @Nullable Object> {

nt || this._getContentForTemplate())\n    }\n\n    return this.tip\n  }\n\n  _createTipElement(content) {\n    const tip = this._getTemplateFactory(content).toHtml()\n\n    // TODO: remove this check in v6\n    if (!tip) {\n      return null\n    }\n\n    tip.classList.remove(CLASS_NAME_FADE, CLASS_NAME_SHOW)\n    // TODO: v6 the following can be achieved with CSS only\n    tip.classList.add(`bs-${this.constructor.NAME}-auto`)\n\n    const tipId = getUID(this.constructor.NAME).toString()\n\n    ...

    // TODO: write a test that shows pooled connections detect HTTP/1.0 (vs. HTTP/1.1)
    fail("TODO")
  }

  @Test
  @Disabled
  fun postBodiesRetransmittedOnAuthProblems() {
    fail("TODO")
  }

  @Test
  @Disabled
  fun cookiesAndTrailers() {
    // Do cookie headers get processed too many times?
    fail("TODO")
  }

  @Test