import { MiddlewareMetadata } from './MiddlewareMetadata';
import { MiddlewareOptions } from './MiddlewareOptions';
export declare class MiddlewareRegistry {
    private static _middlewares;
    static middlewares: Map<Function, MiddlewareMetadata>;
    static registerMiddleware(type: Function, isErrorMiddleware: boolean, options?: MiddlewareOptions): void;
    static getMiddlewares(options: {
        isErrorMiddleware: boolean;
    }): MiddlewareMetadata[];
    private static sortMiddlewares;
    /**
     * safe get middleware
     *
     * @param type
     * @returns {MiddlewareMetadata}
     */
    static getMiddleware(type: Function): MiddlewareMetadata;
}