*     an {@code IOException}.
   * @see Closeables#close
   */
  @SuppressWarnings("IdentifierName") // See Closeables.close
  public static void flush(Flushable flushable, boolean swallowIOException) throws IOException {
    try {
      flushable.flush();
    } catch (IOException e) {
      if (swallowIOException) {
        logger.log(Level.WARNING, "IOException thrown while flushing Flushable.", e);
      } else {
        throw e;

    methodCalled = true;
    methodArgument = arg;
  }

  @Subscribe
  public void exceptionThrowingMethod(Object arg) throws Exception {
    throw new IntentionalException();
  }

  /** Local exception subclass to check variety of exception thrown. */
  static final class IntentionalException extends Exception {

    private static final long serialVersionUID = -2500191180248181379L;
  }

  public void testToString_misbehaving() throws Exception {
    assertThat(
            new AbstractFuture<Object>() {
              @Override
              public String pendingToString() {
                throw new RuntimeException("I'm a misbehaving implementation");
              }
            }.toString())
        .matches(
            "[^\\[]+\\[status=PENDING, info=\\[Exception thrown from implementation: "

   * performance for unescaped strings (as measured by {@code CharEscapersBenchmark}).
   *
   * @param string the literal string to be escaped
   * @return the escaped form of {@code string}
   * @throws NullPointerException if {@code string} is null
   * @throws IllegalArgumentException if invalid surrogate characters are encountered
   */
  @Override
  public String escape(String string) {
    checkNotNull(string);
    int end = string.length();

    }

    @Test
    public void test_execute_withException() {
        // Create mock SearchEngineClient that throws exception
        searchEngineClient = new SearchEngineClient() {
            @Override
            public long deleteByQuery(String index, QueryBuilder query) {
                throw new RuntimeException("Delete operation failed");
            }
        };

    @Test
    public void test_initializeProbes() {
        // Test that initializeProbes doesn't throw exception
        try {
            ThumbnailGenerator.initializeProbes();
            // If no exception thrown, test passes
            assertTrue(true);
        } catch (Exception e) {
            fail("initializeProbes should not throw exception: " + e.getMessage());
        }
    }

    @Test

          public Integer computeNext() {
            if (haveBeenCalled) {
              throw new AssertionError("Should not have been called again");
            } else {
              haveBeenCalled = true;
              throw sneakyThrow(new SomeCheckedException());
            }
          }
        };

    // The first time, the sneakily-thrown exception comes out
    assertThrows(SomeCheckedException.class, iter::hasNext);

          public Integer computeNext() {
            if (haveBeenCalled) {
              throw new AssertionError("Should not have been called again");
            } else {
              haveBeenCalled = true;
              throw sneakyThrow(new SomeCheckedException());
            }
          }
        };

    // The first time, the sneakily-thrown exception comes out
    assertThrows(SomeCheckedException.class, iter::hasNext);

   * @param unit the time unit of the timeout argument
   * @throws TimeoutException if the service has not reached the given state within the deadline
   * @throws IllegalStateException if the service {@linkplain State#FAILED fails}.
   * @since 15.0
   */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  void awaitTerminated(long timeout, TimeUnit unit) throws TimeoutException;

  /**

   * @throws Exception if unable to load the result
   * @throws InterruptedException if this method is interrupted. {@code InterruptedException} is
   *     treated like any other {@code Exception} in all respects except that, when it is caught,
   *     the thread's interrupted status is set
   */
  public abstract V load(K key) throws Exception;

  /**