* previous callable has returned -- and, if the previous callable was an {@link AsyncCallable}, not
 * until the {@code Future} it returned is {@linkplain Future#isDone done} (successful, failed, or
 * cancelled).
 *
 * <p>This class serializes execution of <i>submitted</i> tasks but not any <i>listeners</i> of
 * those tasks.
 *

      }

      message += "delay)";
    }
    // It's confusing to see a completed future in a timeout message; if isDone() returns false,
    // then we know it must have given a pending toString value earlier. If not, then the future
    // completed after the timeout expired, and the message might be success.
    if (isDone()) {
      throw new TimeoutException(message + " but future completed as timeout expired");
    }

     */
    private void cancelNotification(ChangeNotificationHandle handle) {
        CompletableFuture<Void> future = handle.getNotificationFuture();
        if (future != null && !future.isDone()) {
            future.cancel(true);
        }
    }

      }

      message += "delay)";
    }
    // It's confusing to see a completed future in a timeout message; if isDone() returns false,
    // then we know it must have given a pending toString value earlier. If not, then the future
    // completed after the timeout expired, and the message might be success.
    if (isDone()) {
      throw new TimeoutException(message + " but future completed as timeout expired");
    }

                pageIdx = 0;
            }
            // Return the initial element if provided
            return staticInitial;
        }

        @Override
        protected boolean isDone() {
            return this.done;
        }

        @Override
        protected boolean fetchMore() throws CIFSException {
            if (throwOnFetch)

                  }
                }),
            executor);
    ListenableFuture<?> statusFuture = closingFuture.statusFuture();
    waiter.awaitStarted();
    assertThat(statusFuture.isDone()).isFalse();
    waiter.awaitReturned();
    assertThat(getUninterruptibly(statusFuture)).isNull();
  }

  public void testStatusFuture_failure() throws Exception {
    ClosingFuture<String> closingFuture =

    @SuppressWarnings("unchecked")
    LoadingValueReference<Object, Object> valueReference =
        (LoadingValueReference) newEntry.getValueReference();
    assertFalse(valueReference.futureValue.isDone());
    startSignal.countDown();

    try {
      doneSignal.await();
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }

    map.cleanUp(); // force notifications

```mermaid
flowchart LR
    subgraph global[môi trường toàn cục]
        harry-1[harry v1]
    end
    subgraph stone-project[dự án philosophers-stone ]
        stone(philosophers-stone) -->|phụ thuộc| harry-1
    end
```

    @Test
    public void testStartsWithIgnoreCase() throws Exception {
        assertTrue(StringUtil.startsWithIgnoreCase("isHoge", "is"));
        assertTrue(StringUtil.startsWithIgnoreCase("isHoge", "IS"));
        assertTrue(StringUtil.startsWithIgnoreCase("ISHoge", "is"));
        assertFalse(StringUtil.startsWithIgnoreCase("isHoge", "iss"));
        assertFalse(StringUtil.startsWithIgnoreCase("is", "iss"));
    }

    /**

  }

  /*
   * Tests for Predicates.equalTo(x).
   */

  public void testIsEqualTo_apply() {
    Predicate<@Nullable Integer> isOne = Predicates.equalTo(1);

    assertTrue(isOne.apply(1));
    assertFalse(isOne.apply(2));
    assertFalse(isOne.apply(null));
  }

  public void testIsEqualTo_equality() {
    new EqualsTester()
        .addEqualityGroup(Predicates.equalTo(1), Predicates.equalTo(1))