public int encode(PositionedByteRange dst, byte[] val, int voff, int vlen) {
    return ((RawBytes) wrapped).encode(dst, val, voff, vlen);
  }
Write {@code val} into {@code dst}, respecting {@code offset} and {@code length}.
@return number of bytes written.
hbase-common/src/main/java/org/apache/hadoop/hbase/types/RawBytesTerminated.java