System.Reactive.Linq.ObservableImpl.Multicast<TSource, TIntermediate, TResult>

sealed class Multicast<TSource, TIntermediate, TResult> : Producer<TResult, _<TSource, TIntermediate, TResult>>

public Multicast(IObservable<TSource> source, Func<ISubject<TSource, TIntermediate>> subjectSelector, Func<IObservable<TIntermediate>, IObservable<TResult>> selector)