import Resolver from '../metal/resolver';
import Application from './application';
import Loader from '@denali-js/loader';
/**
 * Addons are the fundamental unit of organization for Denali apps. The
 * Application class is just a specialized Addon, and each Addon can contain
 * any amount of functionality - each one is essentially a mini Denali app.
 *
 * @package runtime
 * @since 0.1.0
 */
export default class Addon {
    /**
     * The current environment for the app, i.e. 'development'
     *
     * @since 0.1.0
     */
    environment: string;
    /**
     * The loader scope for this addon
     */
    loader: Loader;
    /**
     * The resolver for this addon's loader scope
     */
    readonly resolver: Resolver;
    constructor(loader: Loader, options: {
        environment: string;
    });
    /**
     * The name of the addon. Override this to use a different name than the
     * package name for your addon.
     *
     * @since 0.1.0
     */
    readonly name: string;
    /**
     * A hook to perform any shutdown actions necessary to gracefully exit the
     * application, i.e. close database/socket connections.
     *
     * @since 0.1.0
     */
    shutdown(application: Application): Promise<void>;
}