for (int i = 0; i < contractionsSize; i++) {
collator.m_contractionCE_[i] = contractions.m_CEs_.get(i).intValue();
}
}
// copy mapping table
collator.m_trie_ = mapping.serialize(t, RuleBasedCollator.DataManipulate.getInstance());
// copy max expansion table
// not copying the first element which is a dummy
// to be in synch with icu4c's builder, we continue to use the
// expansion offset
// omitting expansion offset in builder