@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