@protocol NUSourceDerivation; @interface NUSingleSourceDefinition : NUSourceDefinition @property (retain) id<NUSourceDerivation> sourceDerivation; - (id)init; - (void).cxx_destruct; - (id)generateSourceNodeWithIdentifier:(id)a0 error:(out id *)a1; - (id)sourceContainerNodeWithIdentifier:(id)a0 error:(out id *)a1; @end