public static VerifyCounts whichType(final byte[] bs) {
        int ordinal = Bytes.toShort(bs, 0, Bytes.SIZEOF_SHORT);
        return VerifyCounts.values()[ordinal];
      }
Returns type from the Counts enum of this row. Reads prefix added by
{@link #addPrefixFlag(int, byte[])}
hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.java