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@arcgis/core

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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

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/* All material copyright ESRI, All Rights Reserved, unless otherwise specified. See https://js.arcgis.com/4.33/esri/copyright.txt for details. */ import{equalsShallow as t}from"./lang.js";import{trackAccess as e}from"./accessorSupport/tracking.js";import{SimpleObservable as s}from"./accessorSupport/tracking/SimpleObservable.js";class i{constructor(t,e){this._observable=new s,this._value=t,this._equalityFunction=e}get value(){return e(this._observable),this._value}set value(t){this._equalityFunction(t,this._value)||(this._value=t,this._observable.notify())}mutate(t){t(this._value),this._observable.notify()}}function r(e,s=t){return new i(e,s)}export{r as signal};