declare type AllowedAttributes = 'type' | 'charset' | 'async' | 'text';
declare type Options = Partial<Pick<HTMLScriptElement, AllowedAttributes>> & {
    attrs?: Record<string, string>;
};
declare function loadBackupScript<T>(src: HTMLScriptElement['src'][], variableName: string, options?: Options): Promise<T>;
export default loadBackupScript;