import { Response } from "./lambda-proxy";
import { Route } from "./route";
import { RoutingContext } from "./routing-context";
export type MiddlewareConstructor<MiddlewareClass extends Middleware> = new (options: any) => MiddlewareClass;
export declare class Middleware<Metadata = any> {
    before(options: MiddlewareBeforeOptions<Metadata>): Promise<Response | void>;
    after(options: MiddlewareAfterOptions<Metadata>): Promise<Response>;
}
export interface MiddlewareBeforeOptions<Metadata> {
    routingContext: RoutingContext<any, any>;
    currentRoute: Route<any, any>;
    metadata?: Metadata;
}
export interface MiddlewareAfterOptions<Metadata> {
    routingContext: RoutingContext<any, any>;
    currentRoute: Route<any, any>;
    metadata?: Metadata;
    response: Response;
}