"multiset.entrySet.retainAll(missingEntry) returned true",
        getMultiset().entrySet().retainAll(singleton(Multisets.immutableEntry(e0(), 2))));
    assertFalse(
        "multiset contains element after retaining a different entry",
        getMultiset().contains(e0()));
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @MultisetFeature.Require(ENTRIES_ARE_VIEWS)

   * @throws IllegalArgumentException if {@code from.equals(to)}
   */
  public static void copy(File from, File to) throws IOException {
    checkArgument(!from.equals(to), "Source %s and destination %s must be different", from, to);
    asByteSource(from).copyTo(asByteSink(to));
  }

  /**
   * Copies all characters from a file to an appendable object, using the given character set.
   *
   * @param from the source file

        assertEquals(24L, MemoryUtil.sizeOf(1.0f));
        assertEquals(24L, MemoryUtil.sizeOf(1.0d));
    }

    @Test
    public void test_sizeOf_dateTimeTypes() {
        // Test different date/time types
        assertEquals(32L, MemoryUtil.sizeOf(new Date(0)));
        assertEquals(80L, MemoryUtil.sizeOf(LocalDateTime.of(2023, 1, 1, 0, 0)));
        assertEquals(2128L, MemoryUtil.sizeOf(ZonedDateTime.now()));

### Locks

We have 3 different things that we synchronize on.

#### Http2Connection

   * the behavior described in {@link #put(Range, Object) put(range, value)}, however the ranges
   * returned from {@link #asMapOfRanges} will be different if there were existing entries which
   * connect to the given range and value.
   *
   * <p>Even if the input range is empty, if it is connected on both sides by ranges mapped to the

  @AndroidIncompatible
  public void testTaskThrowsError() throws Exception {
    class MyError extends Error {}
    CyclicBarrier barrier = new CyclicBarrier(2);
    // we need to make sure the error gets thrown on a different thread.
    ExecutorService service = newSingleThreadExecutor();
    try {
      SequentialExecutor executor = new SequentialExecutor(service);
      Runnable errorTask =
          () -> {

    }

    /**
     * This method simply calls {@code negotiate( req, resp, false )}
     * and then {@code chain.doFilter}. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

               Licensed Rights under the terms and conditions of this
               Public License.

            b. No downstream restrictions. You may not offer or impose
               any additional or different terms or conditions on, or
               apply any Effective Technological Measures to, the
               Licensed Material if doing so restricts exercise of the
               Licensed Rights by any recipient of the Licensed

        verify(info, times(1)).clear();
        assertTrue(result.isEmpty(), "List should be cleared");
    }

    // Parameterized test to exercise SMB2 with different recursive and filter values
    @ParameterizedTest(name = "SMB2 param: recursive={0}, filter={1}")
    @CsvSource({ "true, 0", "false, -1" })
    @DisplayName("watch() SMB2 parameterized branches execute without error")

        // Test commit (should not throw exception)
        callback.commit();
    }

    @Test
    public void test_multiple_implementations() {
        // Test with different implementations to ensure interface contract
        IndexUpdateCallback callback1 = createMockCallback(10, 500);
        IndexUpdateCallback callback2 = createMockCallback(20, 1000);