public static System.Reactive.Linq.IQbservable <TSource[]> ForkJoin <TSource>(this System.Reactive.Linq.IQbservableProvider provider, System.Collections.Generic.IEnumerable <System.IObservable <TSource> > sources)
 {
     throw null;
 }
 public static System.Reactive.Linq.IQbservable <TSource[]> ForkJoin <TSource>(this System.Reactive.Linq.IQbservableProvider provider, params System.IObservable <TSource>[] sources)
 {
     throw null;
 }
 public static System.Reactive.Linq.IQbservable <TResult> Create <TResult>(this System.Reactive.Linq.IQbservableProvider provider, System.Linq.Expressions.Expression <System.Func <System.IObserver <TResult>, System.Collections.Generic.IEnumerable <System.IObservable <object> > > > iteratorMethod)
 {
     throw null;
 }