toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() {
final relevantTopicIds = this.relevantTopicIds;
final topicCategories = this.topicCategories;
final topicIds = this.topicIds;
return {
'relevantTopicIds': ?relevantTopicIds,
'topicCategories': ?topicCategories,
'topicIds': ?topicIds,
};
}