import * as h3 from 'h3';
import { EventHandler, H3Event, App } from 'h3';
import { Get, UniversalHandler, UniversalFn, UniversalMiddleware, UniversalRouter, UniversalRouterInterface, EnhancedMiddleware } from '@universal-middleware/core';

type H3Handler<In extends Universal.Context> = UniversalFn<UniversalHandler<In>, EventHandler>;
type H3Middleware<In extends Universal.Context, Out extends Universal.Context> = UniversalFn<UniversalMiddleware<In, Out>, EventHandler>;
declare const contextSymbol: unique symbol;
declare const pendingMiddlewaresSymbol: unique symbol;
declare const wrappedResponseSymbol: unique symbol;
declare module "h3" {
    interface H3EventContext {
        [contextSymbol]?: Universal.Context;
        [wrappedResponseSymbol]?: boolean;
        [pendingMiddlewaresSymbol]?: ((response: Response) => Response | Promise<Response> | undefined | Promise<undefined>)[];
    }
}
/**
 * Creates a request handler to be passed to app.all() or any other route function
 */
declare function createHandler<T extends unknown[], InContext extends Universal.Context>(handlerFactory: Get<T, UniversalHandler<InContext>>): Get<T, H3Handler<InContext>>;
declare const universalOnBeforeResponse: h3._ResponseMiddleware<h3.EventHandlerRequest, any>;
/**
 * Creates a middleware to be passed to app.use() or any route function
 */
declare function createMiddleware<T extends unknown[], InContext extends Universal.Context, OutContext extends Universal.Context>(middlewareFactory: Get<T, UniversalMiddleware<InContext, OutContext>>): Get<T, H3Middleware<InContext, OutContext>>;
declare function getContext<Context extends Universal.Context>(event: H3Event): Context;

declare class UniversalH3Router extends UniversalRouter implements UniversalRouterInterface {
    #private;
    constructor(app: App);
    use(middleware: EnhancedMiddleware): this;
    applyCatchAll(): this;
}
declare function apply(app: App, middlewares: EnhancedMiddleware[]): void;

export { type H3Handler, type H3Middleware, UniversalH3Router, apply, createHandler, createMiddleware, getContext, universalOnBeforeResponse };