BloomFilter<Integer> bf1 = BloomFilter.create(integerFunnel(), 1);
    assertFalse(bf1.isCompatible(bf1));
    assertThrows(IllegalArgumentException.class, () -> bf1.putAll(bf1));
  }

  public void testJavaSerialization() {
    BloomFilter<byte[]> bf = BloomFilter.create(byteArrayFunnel(), 100);
    for (int i = 0; i < 10; i++) {
      bf.put(Ints.toByteArray(i));
    }