import { onAbort } from '../toolbox/meta-tools';
import { GluegunToolbox } from '../domain/toolbox';
import { PackageJSON } from '../toolbox/meta-types';
export interface GluegunMeta {
    src: string | void;
    version: () => string;
    packageJSON: () => PackageJSON;
    commandInfo: () => string[][];
    checkForUpdate: () => Promise<boolean | string>;
    onAbort: typeof onAbort;
}
/**
 * Extension that lets you learn more about the currently running CLI.
 *
 * @param toolbox The running toolbox.
 */
export default function attach(toolbox: GluegunToolbox): void;