* @since 2.1.7
*/
public String decode(byte[] cidbytes, final int offset, final int len){
StringBuilder sb = new StringBuilder();
if (toUnicodeCmap == null && byteCid != null) {
CMapSequence seq = new CMapSequence(cidbytes, offset, len);
String cid = byteCid.decodeSequence(seq);
for (int k = 0; k < cid.length(); ++k) {
int c = cidUni.lookup(cid.charAt(k));
if (c > 0)
sb.append(Utilities.convertFromUtf32(c));