import { MiddlewareMetadataArgs } from './args/MiddlewareMetadataArgs';
import { ExpressMiddlewareInterface } from '../driver/express/ExpressMiddlewareInterface';
import { ExpressErrorMiddlewareInterface } from '../driver/express/ExpressErrorMiddlewareInterface';
import { KoaMiddlewareInterface } from '../driver/koa/KoaMiddlewareInterface';
/**
 * Middleware metadata.
 */
export declare class MiddlewareMetadata {
    /**
     * Indicates if this middleware is global, thous applied to all routes.
     */
    global: boolean;
    /**
     * Object class of the middleware class.
     */
    target: Function;
    /**
     * Execution priority of the middleware.
     */
    priority: number;
    /**
     * Indicates if middleware must be executed after routing action is executed.
     */
    type: 'before' | 'after';
    constructor(args: MiddlewareMetadataArgs);
    /**
     * Gets middleware instance from the container.
     */
    get instance(): ExpressMiddlewareInterface | KoaMiddlewareInterface | ExpressErrorMiddlewareInterface;
}