| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081 | // Licensed to the .NET Foundation under one or more agreements.// The .NET Foundation licenses this file to you under the Apache 2.0 License.// See the LICENSE file in the project root for more information. using System.Threading.Tasks;namespace System.Reactive.Joins{    internal sealed class ActiveAsyncPlan<TSource1> : ActiveAsyncPlan    {        private readonly Func<TSource1, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, Func<TSource1, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            AddJoinObserver(observer1);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, Func<TSource1, TSource2, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            AddJoinObserver(observer1);            AddJoinObserver(observer2);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, Func<TSource1, TSource2, TSource3, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, Func<TSource1, TSource2, TSource3, TSource4, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, Func<TSource1, TSource2, TSource3, TSource4, TSource5, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        private readonly AsyncJoinObserver<TSource10> _observer10;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, AsyncJoinObserver<TSource10> observer10, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            _observer10 = observer10;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);            AddJoinObserver(observer10);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0 && _observer10.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                var notification10 = _observer10.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted || notification10.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value, notification10.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        private readonly AsyncJoinObserver<TSource10> _observer10;        private readonly AsyncJoinObserver<TSource11> _observer11;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, AsyncJoinObserver<TSource10> observer10, AsyncJoinObserver<TSource11> observer11, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            _observer10 = observer10;            _observer11 = observer11;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);            AddJoinObserver(observer10);            AddJoinObserver(observer11);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0 && _observer10.Queue.Count > 0 && _observer11.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                var notification10 = _observer10.Queue.Peek();                var notification11 = _observer11.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted || notification10.Kind == NotificationKind.OnCompleted || notification11.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value, notification10.Value, notification11.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        private readonly AsyncJoinObserver<TSource10> _observer10;        private readonly AsyncJoinObserver<TSource11> _observer11;        private readonly AsyncJoinObserver<TSource12> _observer12;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, AsyncJoinObserver<TSource10> observer10, AsyncJoinObserver<TSource11> observer11, AsyncJoinObserver<TSource12> observer12, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            _observer10 = observer10;            _observer11 = observer11;            _observer12 = observer12;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);            AddJoinObserver(observer10);            AddJoinObserver(observer11);            AddJoinObserver(observer12);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0 && _observer10.Queue.Count > 0 && _observer11.Queue.Count > 0 && _observer12.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                var notification10 = _observer10.Queue.Peek();                var notification11 = _observer11.Queue.Peek();                var notification12 = _observer12.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted || notification10.Kind == NotificationKind.OnCompleted || notification11.Kind == NotificationKind.OnCompleted || notification12.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value, notification10.Value, notification11.Value, notification12.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        private readonly AsyncJoinObserver<TSource10> _observer10;        private readonly AsyncJoinObserver<TSource11> _observer11;        private readonly AsyncJoinObserver<TSource12> _observer12;        private readonly AsyncJoinObserver<TSource13> _observer13;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, AsyncJoinObserver<TSource10> observer10, AsyncJoinObserver<TSource11> observer11, AsyncJoinObserver<TSource12> observer12, AsyncJoinObserver<TSource13> observer13, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            _observer10 = observer10;            _observer11 = observer11;            _observer12 = observer12;            _observer13 = observer13;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);            AddJoinObserver(observer10);            AddJoinObserver(observer11);            AddJoinObserver(observer12);            AddJoinObserver(observer13);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0 && _observer10.Queue.Count > 0 && _observer11.Queue.Count > 0 && _observer12.Queue.Count > 0 && _observer13.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                var notification10 = _observer10.Queue.Peek();                var notification11 = _observer11.Queue.Peek();                var notification12 = _observer12.Queue.Peek();                var notification13 = _observer13.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted || notification10.Kind == NotificationKind.OnCompleted || notification11.Kind == NotificationKind.OnCompleted || notification12.Kind == NotificationKind.OnCompleted || notification13.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value, notification10.Value, notification11.Value, notification12.Value, notification13.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        private readonly AsyncJoinObserver<TSource10> _observer10;        private readonly AsyncJoinObserver<TSource11> _observer11;        private readonly AsyncJoinObserver<TSource12> _observer12;        private readonly AsyncJoinObserver<TSource13> _observer13;        private readonly AsyncJoinObserver<TSource14> _observer14;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, AsyncJoinObserver<TSource10> observer10, AsyncJoinObserver<TSource11> observer11, AsyncJoinObserver<TSource12> observer12, AsyncJoinObserver<TSource13> observer13, AsyncJoinObserver<TSource14> observer14, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            _observer10 = observer10;            _observer11 = observer11;            _observer12 = observer12;            _observer13 = observer13;            _observer14 = observer14;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);            AddJoinObserver(observer10);            AddJoinObserver(observer11);            AddJoinObserver(observer12);            AddJoinObserver(observer13);            AddJoinObserver(observer14);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0 && _observer10.Queue.Count > 0 && _observer11.Queue.Count > 0 && _observer12.Queue.Count > 0 && _observer13.Queue.Count > 0 && _observer14.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                var notification10 = _observer10.Queue.Peek();                var notification11 = _observer11.Queue.Peek();                var notification12 = _observer12.Queue.Peek();                var notification13 = _observer13.Queue.Peek();                var notification14 = _observer14.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted || notification10.Kind == NotificationKind.OnCompleted || notification11.Kind == NotificationKind.OnCompleted || notification12.Kind == NotificationKind.OnCompleted || notification13.Kind == NotificationKind.OnCompleted || notification14.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value, notification10.Value, notification11.Value, notification12.Value, notification13.Value, notification14.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        private readonly AsyncJoinObserver<TSource10> _observer10;        private readonly AsyncJoinObserver<TSource11> _observer11;        private readonly AsyncJoinObserver<TSource12> _observer12;        private readonly AsyncJoinObserver<TSource13> _observer13;        private readonly AsyncJoinObserver<TSource14> _observer14;        private readonly AsyncJoinObserver<TSource15> _observer15;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, AsyncJoinObserver<TSource10> observer10, AsyncJoinObserver<TSource11> observer11, AsyncJoinObserver<TSource12> observer12, AsyncJoinObserver<TSource13> observer13, AsyncJoinObserver<TSource14> observer14, AsyncJoinObserver<TSource15> observer15, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            _observer10 = observer10;            _observer11 = observer11;            _observer12 = observer12;            _observer13 = observer13;            _observer14 = observer14;            _observer15 = observer15;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);            AddJoinObserver(observer10);            AddJoinObserver(observer11);            AddJoinObserver(observer12);            AddJoinObserver(observer13);            AddJoinObserver(observer14);            AddJoinObserver(observer15);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0 && _observer10.Queue.Count > 0 && _observer11.Queue.Count > 0 && _observer12.Queue.Count > 0 && _observer13.Queue.Count > 0 && _observer14.Queue.Count > 0 && _observer15.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                var notification10 = _observer10.Queue.Peek();                var notification11 = _observer11.Queue.Peek();                var notification12 = _observer12.Queue.Peek();                var notification13 = _observer13.Queue.Peek();                var notification14 = _observer14.Queue.Peek();                var notification15 = _observer15.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted || notification10.Kind == NotificationKind.OnCompleted || notification11.Kind == NotificationKind.OnCompleted || notification12.Kind == NotificationKind.OnCompleted || notification13.Kind == NotificationKind.OnCompleted || notification14.Kind == NotificationKind.OnCompleted || notification15.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value, notification10.Value, notification11.Value, notification12.Value, notification13.Value, notification14.Value, notification15.Value);            }            return Task.CompletedTask;        }    }    internal sealed class ActiveAsyncPlan<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TSource16> : ActiveAsyncPlan    {        private readonly Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TSource16, Task> _onNext;        private readonly Func<Task> _onCompleted;        private readonly AsyncJoinObserver<TSource1> _observer1;        private readonly AsyncJoinObserver<TSource2> _observer2;        private readonly AsyncJoinObserver<TSource3> _observer3;        private readonly AsyncJoinObserver<TSource4> _observer4;        private readonly AsyncJoinObserver<TSource5> _observer5;        private readonly AsyncJoinObserver<TSource6> _observer6;        private readonly AsyncJoinObserver<TSource7> _observer7;        private readonly AsyncJoinObserver<TSource8> _observer8;        private readonly AsyncJoinObserver<TSource9> _observer9;        private readonly AsyncJoinObserver<TSource10> _observer10;        private readonly AsyncJoinObserver<TSource11> _observer11;        private readonly AsyncJoinObserver<TSource12> _observer12;        private readonly AsyncJoinObserver<TSource13> _observer13;        private readonly AsyncJoinObserver<TSource14> _observer14;        private readonly AsyncJoinObserver<TSource15> _observer15;        private readonly AsyncJoinObserver<TSource16> _observer16;        internal ActiveAsyncPlan(AsyncJoinObserver<TSource1> observer1, AsyncJoinObserver<TSource2> observer2, AsyncJoinObserver<TSource3> observer3, AsyncJoinObserver<TSource4> observer4, AsyncJoinObserver<TSource5> observer5, AsyncJoinObserver<TSource6> observer6, AsyncJoinObserver<TSource7> observer7, AsyncJoinObserver<TSource8> observer8, AsyncJoinObserver<TSource9> observer9, AsyncJoinObserver<TSource10> observer10, AsyncJoinObserver<TSource11> observer11, AsyncJoinObserver<TSource12> observer12, AsyncJoinObserver<TSource13> observer13, AsyncJoinObserver<TSource14> observer14, AsyncJoinObserver<TSource15> observer15, AsyncJoinObserver<TSource16> observer16, Func<TSource1, TSource2, TSource3, TSource4, TSource5, TSource6, TSource7, TSource8, TSource9, TSource10, TSource11, TSource12, TSource13, TSource14, TSource15, TSource16, Task> onNext, Func<Task> onCompleted)        {            _onNext = onNext;            _onCompleted = onCompleted;            _observer1 = observer1;            _observer2 = observer2;            _observer3 = observer3;            _observer4 = observer4;            _observer5 = observer5;            _observer6 = observer6;            _observer7 = observer7;            _observer8 = observer8;            _observer9 = observer9;            _observer10 = observer10;            _observer11 = observer11;            _observer12 = observer12;            _observer13 = observer13;            _observer14 = observer14;            _observer15 = observer15;            _observer16 = observer16;            AddJoinObserver(observer1);            AddJoinObserver(observer2);            AddJoinObserver(observer3);            AddJoinObserver(observer4);            AddJoinObserver(observer5);            AddJoinObserver(observer6);            AddJoinObserver(observer7);            AddJoinObserver(observer8);            AddJoinObserver(observer9);            AddJoinObserver(observer10);            AddJoinObserver(observer11);            AddJoinObserver(observer12);            AddJoinObserver(observer13);            AddJoinObserver(observer14);            AddJoinObserver(observer15);            AddJoinObserver(observer16);        }        internal override Task Match()        {            if (_observer1.Queue.Count > 0 && _observer2.Queue.Count > 0 && _observer3.Queue.Count > 0 && _observer4.Queue.Count > 0 && _observer5.Queue.Count > 0 && _observer6.Queue.Count > 0 && _observer7.Queue.Count > 0 && _observer8.Queue.Count > 0 && _observer9.Queue.Count > 0 && _observer10.Queue.Count > 0 && _observer11.Queue.Count > 0 && _observer12.Queue.Count > 0 && _observer13.Queue.Count > 0 && _observer14.Queue.Count > 0 && _observer15.Queue.Count > 0 && _observer16.Queue.Count > 0)            {                var notification1 = _observer1.Queue.Peek();                var notification2 = _observer2.Queue.Peek();                var notification3 = _observer3.Queue.Peek();                var notification4 = _observer4.Queue.Peek();                var notification5 = _observer5.Queue.Peek();                var notification6 = _observer6.Queue.Peek();                var notification7 = _observer7.Queue.Peek();                var notification8 = _observer8.Queue.Peek();                var notification9 = _observer9.Queue.Peek();                var notification10 = _observer10.Queue.Peek();                var notification11 = _observer11.Queue.Peek();                var notification12 = _observer12.Queue.Peek();                var notification13 = _observer13.Queue.Peek();                var notification14 = _observer14.Queue.Peek();                var notification15 = _observer15.Queue.Peek();                var notification16 = _observer16.Queue.Peek();                if (notification1.Kind == NotificationKind.OnCompleted || notification2.Kind == NotificationKind.OnCompleted || notification3.Kind == NotificationKind.OnCompleted || notification4.Kind == NotificationKind.OnCompleted || notification5.Kind == NotificationKind.OnCompleted || notification6.Kind == NotificationKind.OnCompleted || notification7.Kind == NotificationKind.OnCompleted || notification8.Kind == NotificationKind.OnCompleted || notification9.Kind == NotificationKind.OnCompleted || notification10.Kind == NotificationKind.OnCompleted || notification11.Kind == NotificationKind.OnCompleted || notification12.Kind == NotificationKind.OnCompleted || notification13.Kind == NotificationKind.OnCompleted || notification14.Kind == NotificationKind.OnCompleted || notification15.Kind == NotificationKind.OnCompleted || notification16.Kind == NotificationKind.OnCompleted)                {                    return _onCompleted();                }                Dequeue();                return _onNext(notification1.Value, notification2.Value, notification3.Value, notification4.Value, notification5.Value, notification6.Value, notification7.Value, notification8.Value, notification9.Value, notification10.Value, notification11.Value, notification12.Value, notification13.Value, notification14.Value, notification15.Value, notification16.Value);            }            return Task.CompletedTask;        }    }}
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