toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (issuancePolicy != null) 'issuancePolicy': issuancePolicy!,
if (labels != null) 'labels': labels!,
if (name != null) 'name': name!,
if (publishingOptions != null) 'publishingOptions': publishingOptions!,
if (tier != null) 'tier': tier!,
};