toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (fileUploadAnswers != null) 'fileUploadAnswers': fileUploadAnswers!,
if (grade != null) 'grade': grade!,
if (questionId != null) 'questionId': questionId!,
if (textAnswers != null) 'textAnswers': textAnswers!,
};