toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (createTime != null) 'createTime': createTime!,
if (name != null) 'name': name!,
if (sourceSentence != null) 'sourceSentence': sourceSentence!,
if (targetSentence != null) 'targetSentence': targetSentence!,
if (updateTime != null) 'updateTime': updateTime!,
};