toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() {
final courseId = this.courseId;
final name = this.name;
final topicId = this.topicId;
final updateTime = this.updateTime;
return {
'courseId': ?courseId,
'name': ?name,
'topicId': ?topicId,
'updateTime': ?updateTime,
};
}