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n(n,r,i){this.bufferSize=null==n?Number.MAX_VALUE:n,this.window=null==r?Number.MAX_VALUE:r,this.scheduler=i||d,this.q=[],this.observers=[],this.isStopped=!1,this.isDisposed=!1,this.hasError=!1,this.error=null,t.call(this,e)}var i=function(t,e){this.subject=t,this.observer=e};return i.prototype.dispose=function(){if(this.observer.dispose(),!this.subject.isDisposed){var t=this.subject.observers.indexOf(this.observer);this.subject.observers.splice(t,1)}},b(n,t),v(n.prototype,a,{hasObservers:function(){return this.observers.length>0},_trim:function(t){for(;this.q.length>this.bufferSize;)this.q.shift();for(;this.q.length>0&&t-this.q[0].interval>this.window;)this.q.shift()},onNext:function(t){var e;if(r.call(this),!this.isStopped){var n=this.scheduler.now();this.q.push({interval:n,value:t}),this._trim(n);for(var i=this.observers.slice(0),o=0,s=i.length;s>o;o++)e=i[o],e.onNext(t),e.ensureActive()}},onError:function(t){var 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