import { PluginOption } from 'vite';

interface ExternalExtensionType {
    [key: string]: {
        getter?: string | ((window: any) => any);
        url: string | (() => Promise<string>);
    };
}
declare function compatLowVersion(): Promise<(string | RegExp)[]>;
declare function externalsExtension(options: ExternalExtensionType): PluginOption;

export { compatLowVersion, externalsExtension };