map
fun <In, Out> IFluxStep<In>.map(body: IStepSharingContext.(IMonoStep<In>) -> IMonoStep<Out>): IFluxStep<Out>
fun <In, Out> IMonoStep<In>.map(body: IStepSharingContext.(IMonoStep<In>) -> IMonoStep<Out>): IMonoStep<Out>
fun <In, Out, AggregationT, T> IMonoUnboundQuery<In, Out>.map(query: IUnboundQuery<Out, AggregationT, T>): IUnboundQuery<In, AggregationT, T>