/** Measures the size of AbstractFuture implementations. */
@NullUnmarked
public class AbstractFutureFootprintBenchmark {

  enum State {
    NOT_DONE,
    FINISHED,
    CANCELLED,
    FAILED
  }

  @Param State state;
  @Param Impl impl;

  @Param({"0", "1", "5", "10"})
  int numListeners;

  @Param({"0", "1", "5", "10"})
  int numThreads;

 * A {@link ListenableFuture} whose result can be set by a {@link #set(Object)}, {@link
 * #setException(Throwable)} or {@link #setFuture(ListenableFuture)} call. It can also, like any
 * other {@code Future}, be {@linkplain #cancel cancelled}.
 *
 * <p>{@code SettableFuture} is the recommended {@code ListenableFuture} implementation when your
 * task cannot be implemented with {@link ListeningExecutorService}, the various {@link Futures}

  override fun completed(response: SimpleHttpResponse) {
  }

  override fun failed(ex: Exception) {
    println("Failed: $ex")
  }

  override fun cancelled() {
    println("Cancelled")
  }

 * A {@link ListenableFuture} whose result can be set by a {@link #set(Object)}, {@link
 * #setException(Throwable)} or {@link #setFuture(ListenableFuture)} call. It can also, like any
 * other {@code Future}, be {@linkplain #cancel cancelled}.
 *
 * <p>{@code SettableFuture} is the recommended {@code ListenableFuture} implementation when your
 * task cannot be implemented with {@link ListeningExecutorService}, the various {@link Futures}

            } catch (final SmbException e) {
                if (e.getNtStatus() == 0xC0000120) {
                    // cancelled
                    log.debug("Request was cancelled", e);
                    return null;
                }
                throw e;
            }
            if (log.isTraceEnabled()) {

 *
 * <p>Future that delegates to another but will finish early (via a {@link TimeoutException} wrapped
 * in an {@link ExecutionException}) if the specified duration expires. The delegate future is
 * interrupted and cancelled if it times out.
 */
@J2ktIncompatible
@GwtIncompatible
final class TimeoutFuture<V extends @Nullable Object> extends FluentFuture.TrustedFuture<V> {
  static <V extends @Nullable Object> ListenableFuture<V> create(

        urlIterator.remove()
      }
    }
```

### Troubleshooting

1. Valid cacheable responses are not being cached

Make sure you are reading responses fully as unless they are read fully, cancelled or stalled Responses will not be cached.

### Overriding normal cache behaviour

          ConnectResult(this, nextPlan = connectTcpNextPlan, throwable = tcpConnectThrowable)
        }
        canceled -> {
          events += "plan $id TCP connect canceled"
          ConnectResult(this, nextPlan = connectTcpNextPlan, throwable = IOException("canceled"))
        }
        connectTcpNextPlan != null -> {
          events += "plan $id needs follow-up"

        return permanent;
    }

    /**
     * Returns whether the task has been canceled.
     *
     * @return whether the task has been canceled
     */
    public boolean isCanceled() {
        return status == CANCELED;
    }

    /**
     * Cancels the task.
     */
    public void cancel() {
        status = CANCELED;
    }

    /**
     * Returns whether the task is stopped.
     *

      val reader = ServerSentEventReader(body.source(), this)
      try {
        if (!canceled) {
          listener.onOpen(this, response)
          while (!canceled && reader.processNextEvent()) {
          }
        }
      } catch (e: Exception) {
        val exception =
          when {
            canceled -> IOException("canceled", e)
            else -> e
          }
        listener.onFailure(this, exception, response)