toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (etag != null) 'etag': etag!,
if (kind != null) 'kind': kind!,
if (nextPageToken != null) 'nextPageToken': nextPageToken!,
if (usageReports != null) 'usageReports': usageReports!,
if (warnings != null) 'warnings': warnings!,
};