/// <reference types="node" />
import { EventEmitter } from "events";
declare type DependencyGraph<T extends {
    [key: string]: unknown;
}> = Record<keyof T, {
    needs?: keyof T | Array<keyof T>;
    up?: (data: T) => Promise<T[string]>;
    down?: (data: T) => Promise<T[string]>;
    after?: keyof T | Array<keyof T>;
}>;
export default class Applife<T extends Record<string, any>> extends EventEmitter {
    readonly dependencyGraph: DependencyGraph<T>;
    private loaded;
    private up;
    private down;
    private errors;
    private emitter;
    readonly dependencies: T;
    constructor(dependencyGraph: DependencyGraph<T>);
    private downDependency;
    private upDependency;
    stop(): Promise<void>;
    private handleInterupt;
    start(): Promise<T>;
    run(): Promise<void>;
}
export {};