ttl property
Implementation
@JsonKey(name: 'question_id') String get questionId;@JsonKey(name: 'question_content') String get questionContent;@JsonKey(name: 'question_name') String get questionName;@JsonKey(name: 'start_time') int get startTime;@JsonKey(name: 'state') int get state;@JsonKey(name: 'ttl') int get ttl;