docs: public long getVLong() {
  		// org.apache.lucene.util.packed.BlockPackedReaderIterator
  		long value = 0;
  		for (int i = 0; i <= 64; i += 7) {
  			final byte b = getByte();
  			value |= ((b & 0x7FL) << i);
  			if (b >= 0)
  				return value;
  		}
  		return value;
  	}