docs: private static int aggregateDimValue(
        final int[] positions,
        final BufferAggregator[] theAggregators,
        final ByteBuffer resultsBuf,
        final int numBytesPerRecord,
        final int[] aggregatorOffsets,
        final int aggSize,
        final int aggExtra,
        final int dimIndex,
        int currentPosition
    )
    {
      if (SKIP_POSITION_VALUE == positions[dimIndex]) {
        return currentPosition;
      }
      if (INIT_POSITION_VALUE == positions[dimIndex]) {
        positions[dimIndex] = currentPosition * numBytesPerRecord;
        currentPosition++;
        final int pos = positions[dimIndex];
        for (int j = 0; j < aggSize; ++j) {
          theAggregators[j].init(resultsBuf, pos + aggregatorOffsets[j]);
        }
      }
      final int position = positions[dimIndex];
  
      switch (aggExtra) {
        case 7:
          theAggregators[6].aggregate(resultsBuf, position + aggregatorOffsets[6]);
          // fall through
        case 6:
          theAggregators[5].aggregate(resultsBuf, position + aggregatorOffsets[5]);
          // fall through
        case 5:
          theAggregators[4].aggregate(resultsBuf, position + aggregatorOffsets[4]);
          // fall through
        case 4:
          theAggregators[3].aggregate(resultsBuf, position + aggregatorOffsets[3]);
          // fall through
        case 3:
          theAggregators[2].aggregate(resultsBuf, position + aggregatorOffsets[2]);
          // fall through
        case 2:
          theAggregators[1].aggregate(resultsBuf, position + aggregatorOffsets[1]);
          // fall through
        case 1:
          theAggregators[0].aggregate(resultsBuf, position + aggregatorOffsets[0]);
      }
      for (int j = aggExtra; j < aggSize; j += AGG_UNROLL_COUNT) {
        theAggregators[j].aggregate(resultsBuf, position + aggregatorOffsets[j]);
        theAggregators[j + 1].aggregate(resultsBuf, position + aggregatorOffsets[j + 1]);
        theAggregators[j + 2].aggregate(resultsBuf, position + aggregatorOffsets[j + 2]);
        theAggregators[j + 3].aggregate(resultsBuf, position + aggregatorOffsets[j + 3]);
        theAggregators[j + 4].aggregate(resultsBuf, position + aggregatorOffsets[j + 4]);
        theAggregators[j + 5].aggregate(resultsBuf, position + aggregatorOffsets[j + 5]);
        theAggregators[j + 6].aggregate(resultsBuf, position + aggregatorOffsets[j + 6]);
        theAggregators[j + 7].aggregate(resultsBuf, position + aggregatorOffsets[j + 7]);
      }
      return currentPosition;
    }