import express from 'express';
import { Server } from 'socket.io';
import { IComponentCredentialsPool, IComponentNodesPool } from './Interface';
import { DeployedWorkflowPool } from './DeployedWorkflowPool';
import { ActiveTestTriggerPool } from './ActiveTestTriggerPool';
import { ActiveTestWebhookPool } from './ActiveTestWebhookPool';
export declare class App {
    app: express.Application;
    componentNodes: IComponentNodesPool;
    componentCredentials: IComponentCredentialsPool;
    deployedWorkflowsPool: DeployedWorkflowPool;
    activeTestTriggerPool: ActiveTestTriggerPool;
    activeTestWebhookPool: ActiveTestWebhookPool;
    AppDataSource: import("typeorm").DataSource;
    constructor();
    initDatabase(): Promise<void>;
    config(io: Server): Promise<void>;
    stopApp(): Promise<void>;
}
export declare function start(): Promise<void>;
export declare function getInstance(): App | undefined;