ofConcept
fun <Out : ITypedNode> IFluxStep<INode?>.ofConcept(concept: IConceptOfTypedNode<Out>): IFluxStep<Out>
fun <In : ITypedNode, Out : In> IFluxStep<In?>.ofConcept(concept: IConceptOfTypedNode<Out>): IFluxStep<Out>
fun <Out : ITypedNode> IMonoStep<INode?>.ofConcept(concept: IConceptOfTypedNode<Out>): IMonoStep<Out>