namespace System.Reactive.Joins { [NullableContext(1)] [Nullable(0)] internal sealed class ActivePlan<[Nullable(2)] T1, [Nullable(2)] T2, [Nullable(2)] T3, [Nullable(2)] T4, [Nullable(2)] T5> : ActivePlan { private readonly Action<T1, T2, T3, T4, T5> _onNext; private readonly JoinObserver<T1> _first; private readonly JoinObserver<T2> _second; private readonly JoinObserver<T3> _third; private readonly JoinObserver<T4> _fourth; private readonly JoinObserver<T5> _fifth; internal ActivePlan(JoinObserver<T1> first, JoinObserver<T2> second, JoinObserver<T3> third, JoinObserver<T4> fourth, JoinObserver<T5> fifth, Action<T1, T2, T3, T4, T5> onNext, Action onCompleted); internal override void Match(); } } namespace System.Reactive.Joins { }