src/vs/workbench/api/browser/mainThreadUrls.ts/MainThreadUrls/constructor
class MainThreadUrls:	constructor(
		context: IExtHostContext,
		@IURLService private readonly urlService: IURLService,
		@IExtensionUrlHandler private readonly extensionUrlHandler: IExtensionUrlHandler
	) {
		this.proxy = context.getProxy(ExtHostContext.ExtHostUrls);
	}