*/
  public double expectedFpp() {
    return Math.pow((double) bits.bitCount() / bitSize(), numHashFunctions);
  }

  /**
   * Returns an estimate for the total number of distinct elements that have been added to this
   * Bloom filter. This approximation is reasonably accurate if it does not exceed the value of
   * {@code expectedInsertions} that was used when constructing the filter.

        public SearchConditionBuilder scroll() {
            isScroll = true;
            return this;
        }

        /**
         * Sets the track total hits configuration.
         *
         * @param trackTotalHits the track total hits setting
         * @return this builder for method chaining
         */
        public SearchConditionBuilder trackTotalHits(final String trackTotalHits) {