* @since 23.0
   */
  @CanIgnoreReturnValue
  PrimitiveSink putBytes(ByteBuffer bytes);

  /** Puts a short into this sink. */
  @CanIgnoreReturnValue
  PrimitiveSink putShort(short s);

  /** Puts an int into this sink. */
  @CanIgnoreReturnValue
  PrimitiveSink putInt(int i);

  /** Puts a long into this sink. */
  @CanIgnoreReturnValue
  PrimitiveSink putLong(long l);

  /** Puts a float into this sink. */

  public void testForBytes() {
    PrimitiveSink primitiveSink = mock(PrimitiveSink.class);
    Funnels.byteArrayFunnel().funnel(new byte[] {4, 3, 2, 1}, primitiveSink);
    verify(primitiveSink).putBytes(new byte[] {4, 3, 2, 1});
  }

  public void testForBytes_null() {
    assertNullsThrowException(Funnels.byteArrayFunnel());
  }

  public void testForStrings() {
    PrimitiveSink primitiveSink = mock(PrimitiveSink.class);

   * requirement that this data be complete enough to fully reconstitute the object later.
   *
   * @since 12.0 (in Guava 11.0, {@code PrimitiveSink} was named {@code Sink})
   */
  void funnel(@ParametricNullness T from, PrimitiveSink into);