assertThat(t).isInstanceOf(CancellationException.class);
              called = true;
            }
          }
        };
    addCallback(f, callback, directExecutor());
    f.cancel(true);
  }

  public void testThrowErrorFromGet() {
    Error error = new AssertionError("ASSERT!");
    ListenableFuture<String> f = UncheckedThrowingFuture.throwingError(error);

    // Play it back.
    connect(peer, PushObserver.CANCEL, Http2Connection.Listener.REFUSE_INCOMING_STREAMS)

    // Verify the peer received what was expected.
    val rstStream = peer.takeFrame()
    assertThat(rstStream.type).isEqualTo(Http2.TYPE_RST_STREAM)
    assertThat(rstStream.streamId).isEqualTo(2)
    assertThat(rstStream.errorCode).isEqualTo(ErrorCode.CANCEL)
  }

  /**

	// Return an error when there is decommission on going - the user needs
	// to explicitly cancel it first in order to restart decommissioning again.
	if p.Pools[idx].Decommission != nil &&
		!p.Pools[idx].Decommission.Complete &&
		!p.Pools[idx].Decommission.Failed &&
		!p.Pools[idx].Decommission.Canceled {
		return errDecommissionAlreadyRunning
	}

	now := UTCNow()
	p.Pools[idx].LastUpdate = now

    "ThreadPriorityCheck", // TODO: b/175898629 - Consider onSpinWait.
  })
  private void waitForInterrupt(Thread currentThread) {
    /*
     * If someone called cancel(true), it is possible that the interrupted bit hasn't been set yet.
     * Wait for the interrupting thread to set DONE. (See interruptTask().) We want to wait so that

        } finally {
            if (accessTimeout != null) {
                accessTimeoutTarget.stop();
                if (!accessTimeoutTask.isCanceled()) {
                    accessTimeoutTask.cancel();
                }
            }
        }
        return data;
    }

    /**
     * Sets the URL of the API endpoint.
     * @param url The URL to set.
     */

    consumer.accept(new ValueAndCloser<C>(closingFuture));
  }

  /**
   * Attempts to cancel execution of this step. This attempt will fail if the step has already
   * completed, has already been cancelled, or could not be cancelled for some other reason. If
   * successful, and this step has not started when {@code cancel} is called, this step should never
   * run.
   *

 *  Fix: Attempt to read the response body even if the server canceled the request. This will cause
    some calls to return nice error codes like `HTTP/1.1 429 Too Many Requests` instead of transport
    errors like `SocketException: Connection reset` and `StreamResetException: stream was reset:
    CANCEL`.
 *  New: Support OSGi metadata.
 *  Upgrade: [Okio 2.9.0][okio_2_9_0].

    ```kotlin

    Object unused =
        new Object() {
          @SuppressWarnings({"removal", "Finalize"}) // b/260137033
          @Override
          protected void finalize() {
            future.cancel(false);
          }
        };
    unused = null; // Hint to the JIT that unused is unreachable
    GcFinalization.awaitDone(future);
    assertTrue(future.isDone());
    assertTrue(future.isCancelled());
  }

        } finally {
            if (accessTimeoutTarget != null) {
                accessTimeoutTarget.stop();
                if (!accessTimeoutTask.isCanceled()) {
                    accessTimeoutTask.cancel();
                }
            }
        }
    }

    /**
     * Gets response data for the given URI.
     *
     * @param uri the URI to get response data for

	// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.
	// Call the ServeHTTP to execute the handler.
	apiRouter.ServeHTTP(rec, req)

	ctx, cancel := context.WithCancel(GlobalContext)
	defer cancel()

	// Now check if we actually wrote to backend (regardless of the response
	// returned by the server).
	z := obj.(*erasureServerPools)
	xl := z.serverPools[0].sets[0]