byte b2 = readAndCheckByte();
    byte b3 = readAndCheckByte();
    byte b4 = readAndCheckByte();
    byte b5 = readAndCheckByte();
    byte b6 = readAndCheckByte();
    byte b7 = readAndCheckByte();
    byte b8 = readAndCheckByte();

    return Longs.fromBytes(b8, b7, b6, b5, b4, b3, b2, b1);
  }

  /**
   * Reads a {@code float} as specified by {@link DataInputStream#readFloat()}, except using

   *
   * @since 7.0
   */
  public static long fromBytes(
      byte b1, byte b2, byte b3, byte b4, byte b5, byte b6, byte b7, byte b8) {
    return (b1 & 0xFFL) << 56
        | (b2 & 0xFFL) << 48
        | (b3 & 0xFFL) << 40
        | (b4 & 0xFFL) << 32
        | (b5 & 0xFFL) << 24
        | (b6 & 0xFFL) << 16
        | (b7 & 0xFFL) << 8

          }
        };
    ListMultimap<String, String> transformed = Multimaps.transformEntries(multimap, transformer);
    assertEquals(ImmutableListMultimap.of("a", "a1", "a", "a4", "a", "a4", "b", "b6"), transformed);
    assertEquals("{a=[a1, a4, a4], b=[b6]}", transformed.toString());
  }

  @J2ktIncompatible // Synchronized
  public void testSynchronizedMultimapSampleCodeCompilation() {

   * Multimap<String, String> transformed =
   *     Multimaps.transformEntries(multimap, transformer);
   * System.out.println(transformed);
   * }
   *
   * ... prints {@code {"a"=["a1", "a4"], "b"=["b6"]}}.
   *
   * <p>Changes in the underlying multimap are reflected in this view. Conversely, this view
   * supports removal operations, and these are reflected in the underlying multimap.
   *