toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (etag != null) 'etag': etag!,
if (eventId != null) 'eventId': eventId!,
if (items != null) 'items': items!,
if (kind != null) 'kind': kind!,
if (nextPageToken != null) 'nextPageToken': nextPageToken!,
if (pageInfo != null) 'pageInfo': pageInfo!,
if (tokenPagination != null) 'tokenPagination': tokenPagination!,
if (visitorId != null) 'visitorId': visitorId!,
};