toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (additionalInfo != null) 'additionalInfo': additionalInfo!,
if (code != null) 'code': code!,
if (concentration != null) 'concentration': concentration!,
if (displayName != null) 'displayName': displayName!,
if (fullName != null) 'fullName': fullName!,
};