toJson method Null safety

Map<String, dynamic> toJson()

Implementation

core.Map<core.String, core.dynamic> toJson() => {
      if (additionalKeyValues != null)
        'additionalKeyValues': additionalKeyValues!,
      if (includeClickThroughUrls != null)
        'includeClickThroughUrls': includeClickThroughUrls!,
      if (includeClickTracking != null)
        'includeClickTracking': includeClickTracking!,
      if (keywordOption != null) 'keywordOption': keywordOption!,
    };