toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (callbackOptions != null) 'callbackOptions': callbackOptions!,
if (contactInfo != null) 'contactInfo': contactInfo!,
if (homepageUrl != null) 'homepageUrl': homepageUrl!,
if (issuerId != null) 'issuerId': issuerId!,
if (name != null) 'name': name!,
if (smartTapMerchantData != null)
'smartTapMerchantData': smartTapMerchantData!,
};