import { OnApplicationShutdown } from '@nestjs/common';
import { ModuleRef } from '@nestjs/core';
export declare const DATABASE_POOL_TOKEN = "DATABASE_POOL";
/**
 * Import and provide base typeorm related classes.
 *
 * @module
 */
export declare class DatabaseModule implements OnApplicationShutdown {
    private readonly moduleRef;
    private readonly logger;
    constructor(moduleRef: ModuleRef);
    onApplicationShutdown(signal?: string): any;
}