@Override
        public ValuesSourceRegistry getValuesSourceRegistry() {
            return searchModule.getValuesSourceRegistry();
        }

        @Override
        public BigArrays bigArrays() {
            return bigArrays;
        }

        @Override
        public IndexSearcher searcher() {
            return null;
        }

        @Override

     */
    long bitCount() {
      return bitCount.sum();
    }

    LockFreeBitArray copy() {
      return new LockFreeBitArray(toPlainArray(data));
    }

    /**
     * Combines the two BitArrays using bitwise OR.
     *
     * <p>NOTE: Because of the use of atomics, if the other LockFreeBitArray is being mutated while
     * this operation is executing, not all of those new 1's may be set in the final state of this