private CharSequence property(CharSequence line) {
        int length = line.length();
        CharSequence command = null;
        for (int i = 0; i < length; i++) {
            if ((line.charAt(i) != ':') || (line.charAt(i + 1) != ' ')) {
                continue;
            }
            command = line.subSequence(i + 2, length - 1);
            return command;
        }
        return command;
    }