BloomFilter<String> bf1 = BloomFilter.create(unencodedCharsFunnel(), 2);
    bf1.put("1");
    bf1.put("2");

    assertEquals(bf1, Stream.of("1", "2").collect(toBloomFilter(unencodedCharsFunnel(), 2)));
    assertEquals(bf1, Stream.of("2", "1").collect(toBloomFilter(unencodedCharsFunnel(), 2)));
  }

   */
  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  public static <T extends @Nullable Object> Collector<T, ?, BloomFilter<T>> toBloomFilter(
      Funnel<? super T> funnel, long expectedInsertions) {
    return toBloomFilter(funnel, expectedInsertions, 0.03);
  }

  /**
   * Returns a {@code Collector} expecting the specified number of insertions, and yielding a {@link