instanceFieldsAndMethods property
Any instance fields that should be copied to the adapter.
Should terminate in ; if required.
Implementation
@override
List<String> get instanceFieldsAndMethods {
var toKey = (fields as RestFields).config?.toKey?.trim();
if (toKey != null) toKey = "'$toKey'";
return ['@override\nfinal String? toKey = $toKey;'];
}