/* Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.*/
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h.add(g),g.setDisposable(c.subscribe(function(c){e||(e=!0,innerSubscription=new yc,h.add(innerSubscription),Ab(c)&&(c=dd(c)),innerSubscription.setDisposable(c.subscribe(function(e){var f;try{f=d(e,b++,c)}catch(g){return void a.onError(g)}a.onNext(f)},function(b){a.onError(b)},function(){h.remove(innerSubscription),e=!1,f&&1===h.length&&a.onCompleted()})))},function(b){a.onError(b)},function(){f=!0,1!==h.length||e||a.onCompleted()})),h},this)},sb.VirtualTimeScheduler=function(a){function b(){throw new Error("Not implemented")}function c(){return this.toDateTimeOffset(this.clock)}function d(a,b){return this.scheduleAbsoluteWithState(a,this.clock,b)}function e(a,b,c){return this.scheduleRelativeWithState(a,this.toRelative(b),c)}function f(a,b,c){return this.scheduleRelativeWithState(a,this.toRelative(b-this.now()),c)}function g(a,b){return b(),xc}function h(b,g){this.clock=b,this.comparer=g,this.isEnabled=!1,this.queue=new rc(1024),a.call(this,c,d,e,f)}oc(h,a);var i=h.prototype;return i.add=b,i.toDateTimeOffset=b,i.toRelative=b,i.schedulePeriodicWithState=function(a,b,c){var d=new Fc(this,a,b,c);return d.start()},i.scheduleRelativeWithState=function(a,b,c){var d=this.add(this.clock,b);return this.scheduleAbsoluteWithState(a,d,c)},i.scheduleRelative=function(a,b){return this.scheduleRelativeWithState(b,a,g)},i.start=function(){if(!this.isEnabled){this.isEnabled=!0;do{var a=this.getNext();null!==a?(this.comparer(a.dueTime,this.clock)>0&&(this.clock=a.dueTime),a.invoke()):this.isEnabled=!1}while(this.isEnabled)}},i.stop=function(){this.isEnabled=!1},i.advanceTo=function(a){var b=this.comparer(this.clock,a);if(this.comparer(this.clock,a)>0)throw new Error(Eb);if(0!==b&&!this.isEnabled){this.isEnabled=!0;do{var c=this.getNext();null!==c&&this.comparer(c.dueTime,a)<=0?(this.comparer(c.dueTime,this.clock)>0&&(this.clock=c.dueTime),c.invoke()):this.isEnabled=!1}while(this.isEnabled);this.clock=a}},i.advanceBy=function(a){var b=this.add(this.clock,a),c=this.comparer(this.clock,b);if(c>0)throw new Error(Eb);0!==c&&this.advanceTo(b)},i.sleep=function(a){var b=this.add(this.clock,a);if(this.comparer(this.clock,b)>=0)throw new Error(Eb);this.clock=b},i.getNext=function(){for(;this.queue.length>0;){var a=this.queue.peek();if(!a.isCancelled())return a;this.queue.dequeue()}return null},i.scheduleAbsolute=function(a,b){return this.scheduleAbsoluteWithState(b,a,g)},i.scheduleAbsoluteWithState=function(a,b,c){function d(a,b){return e.queue.remove(f),c(a,b)}var e=this,f=new Bc(this,a,d,b,this.comparer);return this.queue.enqueue(f),f.disposable},h}(Cc),sb.HistoricalScheduler=function(a){function b(b,c){var d=null==b?0:b,e=c||yb;a.call(this,d,e)}oc(b,a);var c=b.prototype;return c.add=function(a,b){return a+b},c.toDateTimeOffset=function(a){return new Date(a).getTime()},c.toRelative=function(a){return a},b}(sb.VirtualTimeScheduler);var Nd=sb.AnonymousObservable=function(a){function b(a){return a&&"function"==typeof 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