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this._listeners.push(o),this._connectListener(o),r((()=>{o.removed=!0,s(this._listeners,o),this._thread&&e(o.threadHandle)&&o.threadHandle.remove()}))}destroy(){this._thread&&(this._thread.close(),this._thread=null),this._promise=null}invoke(e,t){return this.invokeMethod(this._mainMethod,e,t)}invokeMethod(e,t,r){if(this._thread){const s=this.getTransferList(t,e);return this._thread.invoke(e,t,{transferList:s,signal:r})}return this._promise?this._promise.then((()=>(i(r),this.invokeMethod(e,t,r)))):Promise.reject(null)}broadcast(e,t){return this._thread?Promise.all(this._thread.broadcast(t,e)).then((()=>{})):this._promise?this._promise.then((()=>this.broadcast(e,t))):Promise.reject()}get promise(){return this._promise}_connectListener(e){this._thread&&this._thread.on(e.eventName,e.callback).then((t=>{e.removed||(e.threadHandle=t)}))}}export{n as WorkerHandle};\n","/*\nAll material copyright ESRI, All Rights Reserved, unless otherwise specified.\nSee https://js.arcgis.com/4.19/esri/copyright.txt for details.\n*/\nimport{WorkerHandle as e}from\"../../core/workers/WorkerHandle.js\";class r extends e{constructor(e){super(\"LercWorker\",\"_decode\",e,{strategy:\"dedicated\"}),this.scheduler=e}decode(e,r,t){return e&&0!==e.byteLength?this.invoke({buffer:e,options:r},t):Promise.resolve(null)}getTransferList(e){return[e.buffer]}}const t=new Map;function n(e){let n=t.get(e);return n||(n={instance:new r(e),ref:0},t.set(e,n)),++n.ref,n.instance}function s(e){if(null==e)return;const r=e.scheduler,n=t.get(r);n&&--n.ref<=0&&(n.instance.destroy(),t.delete(r))}export{n as acquireDecoder,s as releaseDecoder};\n","/*\nAll material copyright ESRI, All Rights Reserved, unless otherwise specified.\nSee https://js.arcgis.com/4.19/esri/copyright.txt for details.\n*/\nimport{_ as e}from\"../chunks/tslib.es6.js\";import\"../core/has.js\";import{isSome as r}from\"../core/maybe.js\";import t from\"../core/Logger.js\";import\"../core/accessorSupport/ensureType.js\";import{property as o}from\"../core/accessorSupport/decorators/property.js\";import{reader as i}from\"../core/accessorSupport/decorators/reader.js\";import{subclass as s}from\"../core/accessorSupport/decorators/subclass.js\";import a from\"../core/Error.js\";import{objectToQuery as l}from\"../core/urlUtils.js\";import\"../core/uuid.js\";import\"../portal/support/resourceExtension.js\";import{createAbortController as n,throwIfAborted as p}from\"../core/promiseUtils.js\";import c from\"../request.js\";import m from\"./Layer.js\";import{MultiOriginJSONMixin as u}from\"../core/MultiOriginJSONSupport.js\";import d from\"../geometry/HeightModelInfo.js\";import{url as h}from\"./support/commonProperties.js\";import{OperationalLayer as y}from\"./mixins/OperationalLayer.js\";import{ArcGISService as v}from\"./mixins/ArcGISService.js\";import{PortalLayer as g}from\"./mixins/PortalLayer.js\";import{ArcGISCachedService as f}from\"./mixins/ArcGISCachedService.js\";import{acquireDecoder as S,releaseDecoder as j}from\"./support/LercDecoder.js\";const w=t.getLogger(\"esri.layers.ElevationLayer\");let x=class extends(f(v(y(g(u(m)))))){constructor(...e){super(...e),this.copyright=null,this.heightModelInfo=null,this.path=null,this.opacity=1,this.operationalLayerType=\"ArcGISTiledElevationServiceLayer\",this.sourceJSON=null,this.type=\"elevation\",this.url=null,this.version=null,this._lercDecoder=S()}normalizeCtorArgs(e,r){return\"string\"==typeof e?{url:e,...r}:e}destroy(){j(this._lercDecoder),this._lercDecoder=null}set minScale(e){this.constructed&&w.warn(`${this.declaredClass}.minScale support has been removed (since 4.5)`)}get minScale(){}set maxScale(e){this.constructed&&w.warn(`${this.declaredClass}.maxScale support has been removed (since 4.5)`)}get maxScale(){}readVersion(e,r){let t=r.currentVersion;return t||(t=9.3),t}load(e){const t=r(e)?e.signal:null;return 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