List<JStatement> destructureOptBlock (JStatement maybeBlock) {
public static List<JStatement> destructureOptBlock (JStatement maybeBlock) {
    List<JStatement> destructureOptBlock (JStatement maybeBlock) {        if (maybeBlock instanceof JBlock) {            return ((JBlock)maybeBlock).getStatements();        }        if (maybeBlock instanceof JEmptyStatement || maybeBlock == null) {            return new LinkedList<JStatement>();        }        List<JStatement> retval = new LinkedList<JStatement>();        retval.add(maybeBlock);        return retval;    }