toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (articleSuggestionAnswer != null)
'articleSuggestionAnswer': articleSuggestionAnswer!,
if (dialogflowAssistAnswer != null)
'dialogflowAssistAnswer': dialogflowAssistAnswer!,
if (faqAnswer != null) 'faqAnswer': faqAnswer!,
};