import { InjectionToken } from '@typemon/dependency-injection';
import { HandlerParameterDecorator } from './handler-parameter-decorator';
import { Middleware } from './middleware';
export declare function Handler(options?: Handler.Options): MethodDecorator;
export declare namespace Handler {
    interface Options {
        /**
         * @default propertyKey
         */
        readonly key?: string;
        /**
         * @default true
         */
        readonly http?: boolean;
        readonly middlewares?: ReadonlyArray<Middleware.Constructor>;
    }
    const METADATA_TOKEN: InjectionToken;
    function Metadata(): HandlerParameterDecorator;
}