Object element = (Object) iter.next();
Object element = iter.next();
    private boolean checkEnabled(IStructuredSelection selection) {        if (selection.isEmpty()) {            return false;        }        for (Iterator iter = selection.iterator(); iter.hasNext();) {            Object element = (Object) iter.next();            if (element instanceof MethodWrapper) {                continue;            } else if (element instanceof CallLocation) {                continue;            }            return false;        }        return true;    }