public ChoiceMatch getBestMatch(Object hint) {
        String str = null;
        if (!renderedContent && (hint instanceof String)) {
            // is a string (what the user enters), but if there is a format, it
            // can correspond to an existing element. For example, the right
            // format being for a date "07/05/12", but the user enters
            // "7/5/12". In this case, we should automatically return the
            // updated string. For the time being, this conversion is not yet
            // made (requires changes on the EditorComponent, and side effects
            // must be checked...)
            str = (String) hint;
            hint = null; // for the time being, we
        }
        Choice choice = new Choice(hint, str);
        ChoiceMatch ret = new ChoiceMatch();
        Choice match = (hint == null) ? null : content.floor(choice);
        if ((match != null) && match.equals(choice)) {
            flatContent(); // ensure that the positions are calculated
            ret.content = match.get(renderedContent);
            ret.index = match.idx;
            ret.exact = true;
        } else if (!renderedContent) {
            TreeSet<Choice> alphaContent = getAlphabeticallySortedContent();
            Choice top = alphaContent.ceiling(choice);
            Choice low = alphaContent.floor(choice);
            int len = choice.str.length();
            int clen = (top == null)
                ? -1
                : ChoiceMatch.getMatchingLength(top.str, choice.str,
                    strComparator);
            int flen = (low == null)
                ? -1
                : ChoiceMatch.getMatchingLength(low.str, choice.str,
                    strComparator);
            match = (clen > flen) ? top : low;
            ret.index = match.idx;
            ret.content = match.get(renderedContent);
            ret.len = Math.max(clen, flen);
            ret.exact = (match.str.length() == ret.len) && (len == 0 || ret.len > 0);
        }
        return ret;
    }
public ChoiceMatch getBestMatch(Object hint)