newMandatorySingleChildLink
fun <ChildNodeT : ITypedNode, ChildConceptT : IConceptOfTypedNode<ChildNodeT>> newMandatorySingleChildLink(name: String, uid: String?, targetConcept: IConcept, childNodeInterface: KClass<ChildNodeT>): GeneratedMandatorySingleChildLink<ChildNodeT, ChildConceptT>