toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (albumId != null) 'albumId': albumId!,
if (filters != null) 'filters': filters!,
if (orderBy != null) 'orderBy': orderBy!,
if (pageSize != null) 'pageSize': pageSize!,
if (pageToken != null) 'pageToken': pageToken!,
};