if (o != null) {
ret += ky + ":[";
for (int i = 0, l = o.length(); i < l ; i++) {
Properties p = o.<JsCache>cast().getJavaScriptObject(i);
if (p != null) {
ret += p.toJsonString() + ",";
} else {
ret += "\"" + o.getString(i) + "\",";
}
}
ret += "],";