toJsonLd method
Serialize SchemaTouristAttraction to JSON-LD
Implementation
@override
Map<String, dynamic> toJsonLd() => removeEmpty({
...super.toJsonLd(),
'@type': 'TouristAttraction',
'availableLanguage':
convertToJsonLd(availableLanguage, [SchemaLanguage, String]),
'touristType': convertToJsonLd(touristType, [SchemaAudience, String]),
});