toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (items != null) 'items': items!,
if (itemsPerPage != null) 'itemsPerPage': itemsPerPage!,
if (kind != null) 'kind': kind!,
if (nextLink != null) 'nextLink': nextLink!,
if (previousLink != null) 'previousLink': previousLink!,
if (startIndex != null) 'startIndex': startIndex!,
if (totalResults != null) 'totalResults': totalResults!,
if (username != null) 'username': username!,
};