toJson method
Implementation
@override
Map<String, dynamic> toJson(URichtextFacetFeatures object) => object.when(
richtextFacetMention: (data) =>
const RichtextFacetMentionConverter().toJson(data),
richtextFacetLink: (data) =>
const RichtextFacetLinkConverter().toJson(data),
richtextFacetTag: (data) => const RichtextFacetTagConverter().toJson(data),
unknown: (data) => data,
);