import java.nio.charset.Charset;
import org.jspecify.annotations.Nullable;

/**
 * Funnels for common types. All implementations are serializable.
 *
 * @author Dimitris Andreou
 * @since 11.0
 */
@Beta
public final class Funnels {
  private Funnels() {}

  /** Returns a funnel that extracts the bytes from a {@code byte} array. */
  public static Funnel<byte[]> byteArrayFunnel() {
    return ByteArrayFunnel.INSTANCE;
  }

 * Implementations for common types can be found in {@link Funnels}.
 *
 * <p>Note that serialization of {@linkplain BloomFilter bloom filters} requires the proper
 * serialization of funnels. When possible, it is recommended that funnels be implemented as a
 * single-element enum to maintain serialization guarantees. See Effective Java (2nd Edition), Item

      Funnel<? super T> funnel, long expectedInsertions, double fpp) {
    return create(funnel, expectedInsertions, fpp, BloomFilterStrategies.MURMUR128_MITZ_64);
  }

  @VisibleForTesting
  static <T extends @Nullable Object> BloomFilter<T> create(
      Funnel<? super T> funnel, long expectedInsertions, double fpp, Strategy strategy) {
    checkNotNull(funnel);
    checkArgument(

package com.google.common.hash;

import static com.google.common.hash.Funnels.byteArrayFunnel;
import static com.google.common.hash.Funnels.integerFunnel;
import static com.google.common.hash.Funnels.longFunnel;
import static com.google.common.hash.Funnels.sequentialFunnel;
import static com.google.common.hash.Funnels.stringFunnel;
import static com.google.common.hash.Funnels.unencodedCharsFunnel;
import static com.google.common.truth.Truth.assertThat;

              + Integer.toHexString(expected)
              + " got: "
              + Integer.toHexString(verification));
    }
  }

  static final Funnel<Object> BAD_FUNNEL =
      new Funnel<Object>() {
        @Override
        public void funnel(Object object, PrimitiveSink bytePrimitiveSink) {
          bytePrimitiveSink.putInt(object.hashCode());
        }
      };

  enum RandomHasherAction {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.hash;

import static com.google.common.hash.Funnels.byteArrayFunnel;
import static com.google.common.hash.Hashing.murmur3_128;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.UTF_8;

package com.google.common.hash;

import static com.google.common.hash.BloomFilter.toBloomFilter;
import static com.google.common.hash.Funnels.byteArrayFunnel;
import static com.google.common.hash.Funnels.integerFunnel;
import static com.google.common.hash.Funnels.stringFunnel;
import static com.google.common.hash.Funnels.unencodedCharsFunnel;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.hash;

import static com.google.common.hash.Funnels.byteArrayFunnel;
import static com.google.common.hash.Hashing.murmur3_32;
import static com.google.common.hash.Hashing.murmur3_32_fixed;
import static java.nio.charset.StandardCharsets.UTF_16;

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.hash;

import static com.google.common.hash.Funnels.byteArrayFunnel;
import static com.google.common.hash.Hashing.murmur3_32;
import static com.google.common.hash.Hashing.murmur3_32_fixed;
import static java.nio.charset.StandardCharsets.UTF_16;

import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Ascii;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.hash.Funnels;
import com.google.common.hash.HashCode;
import com.google.common.hash.HashFunction;
import com.google.common.hash.Hasher;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.BufferedInputStream;