toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (createTime != null) 'createTime': createTime!,
if (displayName != null) 'displayName': displayName!,
if (format != null) 'format': format!,
if (name != null) 'name': name!,
if (state != null) 'state': state!,
if (uploadFileInfo != null) 'uploadFileInfo': uploadFileInfo!,
};