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null;return{contributors:this.bingMetadata.resourceSets[0].resources[0].imageryProviders.map((e=>({attribution:e.attribution,coverageAreas:e.coverageAreas.map((e=>({zoomMin:e.zoomMin,zoomMax:e.zoomMax,score:1,bbox:[e.bbox[0],e.bbox[1],e.bbox[2],e.bbox[3]]})))})))}}))}_getMetadata(){const e={road:\"roadOnDemand\",aerial:\"aerial\",hybrid:\"aerialWithLabelsOnDemand\"}[this.style];return t(`${h}/REST/v1/Imagery/Metadata/${e}`,{responseType:\"json\",query:{include:\"ImageryProviders\",uriScheme:\"https\",key:this.key,suppressStatus:!0,output:\"json\",culture:this.culture,userRegion:this.region}}).then((e=>{const t=e.data;if(200!==t.statusCode)throw new r(\"bingmapslayer:getmetadata\",t.statusDescription);if(this.bingMetadata=t,0===this.bingMetadata.resourceSets.length)throw new r(\"bingmapslayer:getmetadata\",\"no bing resourcesets\");if(0===this.bingMetadata.resourceSets[0].resources.length)throw new r(\"bingmapslayer:getmetadata\",\"no bing resources\")})).catch((e=>{throw new r(\"bingmapslayer:getmetadata\",e.message)}))}_getPortalBingKey(){return t(this.portalUrl,{responseType:\"json\",authMode:\"no-prompt\",query:{f:\"json\"}}).then((e=>{if(!e.data.bingKey)throw new r(\"bingmapslayer:getportalbingkey\",\"The referenced Portal does not contain a valid bing key\");this.key=e.data.bingKey})).catch((e=>{throw new r(\"bingmapslayer:getportalbingkey\",e.message)}))}_getQuadKey(e,t,r){let o=\"\";for(let a=e;a>0;a--){let e=0;const s=1<<a-1;0!=(r&s)&&(e+=1),0!=(t&s)&&(e+=2),o+=e.toString()}return o}};e([l({json:{read:!1,write:!1},value:null})],m.prototype,\"bingMetadata\",null),e([l({json:{read:!1,write:!1},value:\"bing-maps\",readOnly:!0})],m.prototype,\"type\",void 0),e([l({type:c})],m.prototype,\"tileInfo\",void 0),e([l({type:String,readOnly:!0,json:{read:!1,write:!1}})],m.prototype,\"copyright\",null),e([l({type:String,json:{write:!1,read:!1}})],m.prototype,\"key\",void 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