text: public BlockPackedReaderIterator(DataInput @in, int packedIntsVersion, int blockSize, long valueCount){PackedInt32s.CheckBlockSize(blockSize, AbstractBlockPackedWriter.MIN_BLOCK_SIZE, AbstractBlockPackedWriter.MAX_BLOCK_SIZE);this.packedIntsVersion = packedIntsVersion;this.blockSize = blockSize;this.values = new long[blockSize];this.valuesRef = new Int64sRef(this.values, 0, 0);Reset(@in, valueCount);}