int key0Count = multimap().get(k0()).size();
    assertEquals(key0Count > 0, multimap().keySet().remove(k0()));
    assertEquals(getNumElements() - key0Count, multimap().size());
    assertGet(k0());
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  public void testKeySetIteratorRemove() {
    int key0Count = multimap().get(k0()).size();

    int size = stream.readInt();
    populateMap(map, stream, size);
  }

  /**
   * Populates a map by reading an input stream, as part of deserialization. See {@link #writeMap}
   * for the data format.
   */
  static <K extends @Nullable Object, V extends @Nullable Object> void populateMap(
      Map<K, V> map, ObjectInputStream stream, int size)
      throws IOException, ClassNotFoundException {

        writeLittleEndianInt(baos, PacConstants.LOGON_INFO); // type
        writeLittleEndianInt(baos, 10); // size
        writeLittleEndianLong(baos, 25); // Unaligned offset (not multiple of 8)
        // Add enough data to avoid array bounds issues
        while (baos.size() < 35) {
            baos.write(0);
        }
        byte[] pacData = baos.toByteArray();

    assertEquals(0, Invokable.from(constructor).getParameters().size());
  }

  public void testNestedInnerClassDefaultConstructor() {
    Constructor<?> constructor =
        InnerWithDefaultConstructor.NestedInner.class.getDeclaredConstructors()[0];
    assertEquals(0, Invokable.from(constructor).getParameters().size());
  }

  @SuppressWarnings("ClassCanBeStatic") // We want to test an inner class.

    hpackWriter!!.resizeHeaderTable(4096)
    hpackWriter!!.resizeHeaderTable(2048)
    hpackWriter!!.writeHeaders(listOf(Header("foo", "bar")))
    assertBytes(
      // Dynamic size update (size = 0).
      0x20,
      // Dynamic size update (size = 2048).
      0x3F,
      0xE1,
      0xF,
      0x40,
      3,
      'f'.code,
      'o'.code,
      'o'.code,
      3,
      'b'.code,
      'a'.code,

		if err != nil {
			err = errObjectTampered // assign correct error type
		}
		return int64(size), err
	}

	var size int64
	for _, part := range o.Parts {
		partSize, err := sio.DecryptedSize(uint64(part.Size))
		if err != nil {
			return -1, errObjectTampered
		}
		size += int64(partSize)
	}
	return size, nil
}

		return
	}

	actualSize := size
	var idxCb func() []byte
	if isCompressible(r.Header, object) && size > minCompressibleSize {
		// Storing the compression metadata.
		metadata[ReservedMetadataPrefix+"compression"] = compressionAlgorithmV2
		metadata[ReservedMetadataPrefix+"actual-size"] = strconv.FormatInt(size, 10)

		actualReader, err := hash.NewReader(ctx, reader, size, md5hex, sha256hex, actualSize)

        void testSizeAlignment() {
            int size = request.size();
            assertEquals(0, size % 8, "Size should be aligned to 8-byte boundary");
        }

        @Test
        @DisplayName("Should have consistent size regardless of parameters")
        void testSizeConsistency() {
            int originalSize = request.size();

            request.setReadLength(65536);

     * Returns the default page size if not set or invalid.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the number of records per page.
     *
     * @param pageSize the page size
     */

  }

  @Override
  public boolean isEmpty() {
    return backingMap.isEmpty();
  }

  @Override
  public int size() {
    int size = 0;
    for (Map<C, V> map : backingMap.values()) {
      size += map.size();
    }
    return size;
  }

  // Mutators

  @Override
  public void clear() {
    backingMap.clear();
  }