@Override
  public Long decode(PositionedByteRange src) {
    long val = Bytes.toLong(src.getBytes(), src.getOffset() + src.getPosition());
    skip(src);
    return val;
  }
An {@code DataType} for interacting with values encoded using
{@link Bytes#putLong(byte[], int, long)}. Intended to make it easier to transition away from
direct use of {@link Bytes}.
@see Bytes#putLong(byte[], int, long)
@see Bytes#toLong(byte[])
hbase-common/src/main/java/org/apache/hadoop/hbase/types/RawLong.java