toJson method

Map<String, dynamic> toJson()

Implementation

core.Map<core.String, core.dynamic> toJson() => {
      if (contactGroups != null) 'contactGroups': contactGroups!,
      if (nextPageToken != null) 'nextPageToken': nextPageToken!,
      if (nextSyncToken != null) 'nextSyncToken': nextSyncToken!,
      if (totalItems != null) 'totalItems': totalItems!,
    };