} else if (value instanceof Calendar) {
Calendar cal = (Calendar) value;
value = SimpleDateFormat.getInstance().format(cal.getTime());
b.append(value).append(NEW_LINE);
} else if (value instanceof ODataDeltaFeed) {
ODataDeltaFeed feed = (ODataDeltaFeed) value;
List<ODataEntry> inlineEntries = feed.getEntries();
b.append("{");
for (ODataEntry oDataEntry : inlineEntries) {
value = prettyPrint(oDataEntry.getProperties(), level + 1);
b.append("\n[\n").append(value).append("\n],");
}