toJson method
Implementation
Map<String, dynamic> toJson() {
final json = <String, dynamic>{};
if (id != null) {
json[r'id'] = id;
}
if (assigner != null) {
json[r'assigner'] = assigner;
}
if (start != null) {
json[r'start'] = start;
}
if (end != null) {
json[r'end'] = end;
}
if (system != null) {
json[r'system'] = system;
}
if (type != null) {
json[r'type'] = type;
}
if (use != null) {
json[r'use'] = use;
}
if (value != null) {
json[r'value'] = value;
}
return json;
}