toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (count != null) 'count': count!,
if (cr != null) 'cr': cr!,
if (cx != null) 'cx': cx!,
if (dateRestrict != null) 'dateRestrict': dateRestrict!,
if (disableCnTwTranslation != null)
'disableCnTwTranslation': disableCnTwTranslation!,
if (exactTerms != null) 'exactTerms': exactTerms!,
if (excludeTerms != null) 'excludeTerms': excludeTerms!,
if (fileType != null) 'fileType': fileType!,
if (filter != null) 'filter': filter!,
if (gl != null) 'gl': gl!,
if (googleHost != null) 'googleHost': googleHost!,
if (highRange != null) 'highRange': highRange!,
if (hl != null) 'hl': hl!,
if (hq != null) 'hq': hq!,
if (imgColorType != null) 'imgColorType': imgColorType!,
if (imgDominantColor != null) 'imgDominantColor': imgDominantColor!,
if (imgSize != null) 'imgSize': imgSize!,
if (imgType != null) 'imgType': imgType!,
if (inputEncoding != null) 'inputEncoding': inputEncoding!,
if (language != null) 'language': language!,
if (linkSite != null) 'linkSite': linkSite!,
if (lowRange != null) 'lowRange': lowRange!,
if (orTerms != null) 'orTerms': orTerms!,
if (outputEncoding != null) 'outputEncoding': outputEncoding!,
if (relatedSite != null) 'relatedSite': relatedSite!,
if (rights != null) 'rights': rights!,
if (safe != null) 'safe': safe!,
if (searchTerms != null) 'searchTerms': searchTerms!,
if (searchType != null) 'searchType': searchType!,
if (siteSearch != null) 'siteSearch': siteSearch!,
if (siteSearchFilter != null) 'siteSearchFilter': siteSearchFilter!,
if (sort != null) 'sort': sort!,
if (startIndex != null) 'startIndex': startIndex!,
if (startPage != null) 'startPage': startPage!,
if (title != null) 'title': title!,
if (totalResults != null) 'totalResults': totalResults!,
};