public byte decodeByte(PositionedByteRange src) {
    return OrderedBytes.decodeInt8(src);
  }
Read a {@code byte} value from the buffer {@code src}.
@param src the {@link PositionedByteRange} to read the {@code byte} from
@return the {@code byte} read from the buffer
hbase-common/src/main/java/org/apache/hadoop/hbase/types/OrderedInt8.java