StringBuilder sb = new StringBuilder();
        for (String id : ids) {
            if (id == null) {
                continue;
            }
            CharSequence cleanId = createDashedId(id);
            if (cleanId.length() > 0) {
                sb.append(cleanId);
                sb.append(DASH);
            }
        }
        removeTrailingDashes(sb);
        return sb.toString();