toOptionsJSON method
Implementation
@override
void toOptionsJSON(StringBuffer buffer) {
super.toOptionsJSON(buffer);
if (changeAnnouncement != null) {
buffer.writeAll(
['"changeAnnouncement":', jsonEncode(changeAnnouncement), ','], '');
}
if (groupLabel != null) {
buffer.writeAll(['"groupLabel":', jsonEncode(groupLabel), ','], '');
}
if (handleLabel != null) {
buffer.writeAll(['"handleLabel":', jsonEncode(handleLabel), ','], '');
}
}