$isArtifact function
Implementation
bool $isArtifact(dynamic v)=>v==null?false : v is! Type ?$isArtifact(v.runtimeType):v == Person ||v == Animal ||v == Dog ||v == Zoo ||v == ListenerModel ||v == FeatureModel ||v == ReflectModel ||v == SchemaModel ;
bool $isArtifact(dynamic v)=>v==null?false : v is! Type ?$isArtifact(v.runtimeType):v == Person ||v == Animal ||v == Dog ||v == Zoo ||v == ListenerModel ||v == FeatureModel ||v == ReflectModel ||v == SchemaModel ;