/**
 * Dynamically adds a unique module name to the require paths
 * for the given url, so that dependencies can be loaded
 * from a separate scope.
 * @param url The url of an external module.
 */
export declare function registerModuleName(url: string): string;
/**
 * Performs module loading.
 * @param path The path to load (not a URL).
 * @param options The options to send.
 * @param prefix The prefix as it is understood.
 */
export declare function importModule(path: string, options: object, prefix?: string): Promise<object>;