toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (histogramQueryResults != null)
'histogramQueryResults': histogramQueryResults!,
if (matchingDocuments != null) 'matchingDocuments': matchingDocuments!,
if (metadata != null) 'metadata': metadata!,
if (nextPageToken != null) 'nextPageToken': nextPageToken!,
if (questionAnswer != null) 'questionAnswer': questionAnswer!,
if (totalSize != null) 'totalSize': totalSize!,
};