src/vs/platform/update/electron-main/updateService.darwin.ts/DarwinUpdateService/buildUpdateFeedUrl
class DarwinUpdateService:	protected buildUpdateFeedUrl(quality: string): string | undefined {
		let assetID: string;
		if (!this.productService.darwinUniversalAssetId) {
			assetID = process.arch === 'x64' ? 'darwin' : 'darwin-arm64';
		} else {
			assetID = this.productService.darwinUniversalAssetId;
		}
		const url = createUpdateURL(assetID, quality, this.productService);
		try {
			electron.autoUpdater.setFeedURL({ url });
		} catch (e) {
			// application is very likely not signed
			this.logService.error('Failed to set update feed URL', e);
			return undefined;
		}
		return url;
	}