* @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);

        String s = new String(new char[] {randomLowSurrogate(random)});
        for (PrimitiveSink sink : sinks) {
          sink.putUnencodedChars(s);
        }
      }
    },
    PUT_STRING_HIGH_SURROGATE() {
      @Override
      void performAction(Random random, Iterable<? extends PrimitiveSink> sinks) {
        String s = new String(new char[] {randomHighSurrogate(random)});

   * 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);

    @Override
    public void funnel(Long from, PrimitiveSink into) {
      into.putLong(from);
    }

    @Override
    public String toString() {
      return "Funnels.longFunnel()";
    }
  }

  /**
   * Wraps a {@code PrimitiveSink} as an {@link OutputStream}, so it is easy to {@link Funnel#funnel
   * funnel} an object to a {@code PrimitiveSink} if there is already a way to write the contents of

        String s = new String(new char[] {randomLowSurrogate(random)});
        for (PrimitiveSink sink : sinks) {
          sink.putUnencodedChars(s);
        }
      }
    },
    PUT_STRING_HIGH_SURROGATE() {
      @Override
      void performAction(Random random, Iterable<? extends PrimitiveSink> sinks) {
        String s = new String(new char[] {randomHighSurrogate(random)});

  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);

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link PrimitiveSink} that can compute a hash code after reading the input. Each hasher should
 * translate all multibyte values ({@link #putInt(int)}, {@link #putLong(long)}, etc) to bytes in
 * little-endian order.
 *

    SerializableTester.reserializeAndAssert(BloomFilter.create(new CustomFunnel(), 100));
  }

  private static final class CustomFunnel implements Funnel<Long> {
    @Override
    public void funnel(Long value, PrimitiveSink into) {
      into.putLong(value);
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return (object instanceof CustomFunnel);
    }

    @Override

    SerializableTester.reserializeAndAssert(BloomFilter.create(new CustomFunnel(), 100));
  }

  private static final class CustomFunnel implements Funnel<Long> {
    @Override
    public void funnel(Long value, PrimitiveSink into) {
      into.putLong(value);
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return (object instanceof CustomFunnel);
    }

    @Override