BloomFilter<Long> bf1 = BloomFilter.create(new CustomFunnel(), 100);
    BloomFilter<Long> bf2 = BloomFilter.create(new CustomFunnel(), 100);
    assertEquals(bf1, bf2);
  }

  public void testSerializationWithCustomFunnel() {
    SerializableTester.reserializeAndAssert(BloomFilter.create(new CustomFunnel(), 100));
  }

  private static final class CustomFunnel implements Funnel<Long> {
    @Override