toMap method
Implementation
Map<String, dynamic> toMap() {
final Map<String, dynamic> optionsMap = <String, dynamic>{};
void addIfNonNull(String fieldName, dynamic value) {
if (value != null) {
optionsMap[fieldName] = value;
}
}
addIfNonNull('distanceAlongGeometry', this.distanceAlongGeometry);
addIfNonNull('announcement', this.announcement);
addIfNonNull('ssmlAnnouncement ', this.ssmlAnnouncement);
return optionsMap;
}