HashTestUtils.check2BitAvalanche(Hashing.murmur3_32(), 250, 0.20);
    HashTestUtils.checkAvalanche(Hashing.murmur3_32(), 250, 0.17);
    HashTestUtils.checkNo2BitCharacteristics(Hashing.murmur3_32());
    HashTestUtils.checkNoFunnels(Hashing.murmur3_32());
    HashTestUtils.assertInvariants(Hashing.murmur3_32());
    assertEquals("Hashing.murmur3_32(0)", Hashing.murmur3_32().toString());
  }

  public void testSipHash24() {

    HashTestUtils.check2BitAvalanche(Hashing.murmur3_32(), 250, 0.20);
    HashTestUtils.checkAvalanche(Hashing.murmur3_32(), 250, 0.17);
    HashTestUtils.checkNo2BitCharacteristics(Hashing.murmur3_32());
    HashTestUtils.checkNoFunnels(Hashing.murmur3_32());
    HashTestUtils.assertInvariants(Hashing.murmur3_32());
    assertEquals("Hashing.murmur3_32(0)", Hashing.murmur3_32().toString());
  }

  public void testSipHash24() {

   *     #murmur3_32_fixed()} instead.
   */
  @Deprecated
  @SuppressWarnings("IdentifierName") // the best we could do for adjacent digit blocks
  public static HashFunction murmur3_32() {
    return Murmur3_32HashFunction.MURMUR3_32;
  }

  /**
   * Returns a hash function implementing the <a
   * href="https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp">32-bit murmur3

   *     #murmur3_32_fixed()} instead.
   */
  @Deprecated
  @SuppressWarnings("IdentifierName") // the best we could do for adjacent digit blocks
  public static HashFunction murmur3_32() {
    return Murmur3_32HashFunction.MURMUR3_32;
  }

  /**
   * Returns a hash function implementing the <a
   * href="https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp">32-bit murmur3

 */
@Immutable
@SuppressWarnings("IdentifierName") // the best we could do for adjacent digit blocks
final class Murmur3_32HashFunction extends AbstractHashFunction implements Serializable {
  static final HashFunction MURMUR3_32 =
      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ false);
  static final HashFunction MURMUR3_32_FIXED =
      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ true);

 */
@Immutable
@SuppressWarnings("IdentifierName") // the best we could do for adjacent digit blocks
final class Murmur3_32HashFunction extends AbstractHashFunction implements Serializable {
  static final HashFunction MURMUR3_32 =
      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ false);
  static final HashFunction MURMUR3_32_FIXED =
      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ true);

        @ParametricNullness T object,
        Funnel<? super T> funnel,
        int numHashFunctions,
        LockFreeBitArray bits) {
      long bitSize = bits.bitSize();
      long hash64 = Hashing.murmur3_128().hashObject(object, funnel).asLong();
      int hash1 = (int) hash64;
      int hash2 = (int) (hash64 >>> 32);

      boolean bitsChanged = false;
      for (int i = 1; i <= numHashFunctions; i++) {

     */
    protected static final String[] timestampFields = { LAST_MODIFIED, CREATE_TIME };

    /**
     * Hash function for generating IDs.
     */
    protected static final HashFunction murmur3Hash = Hashing.murmur3_128(0);

    /**
     * FesenClient instance.
     */
    @Resource
    protected volatile FesenClient fesenClient;

    /**
     * Index name.
     */
    protected String index;