return new CollationElementIterator (expand.toString());
return new CollationElementIterator (expand.toString(), this);
  public CollationElementIterator getCollationElementIterator (String source)  {    StringBuffer expand = new StringBuffer (source.length());    int max = source.length();    for (int i = 0; i < max; ++i)      decomposeCharacter (source.charAt(i), expand);    return new CollationElementIterator (expand.toString());  }