import { EventEmitter } from "node:events";
import type { RequestListener } from "node:http";
import type { AsyncLocalStorage } from "node:async_hooks";
import { Context } from "./context.mts";
import { type RouteBuilder } from "./router.mts";
import type { ApplicationOptions } from "./types.mts";
export type ErrorHandler = (ctx: Context, error: Error) => Promise<void> | void;
export type NotFoundHandler = (ctx: Context) => Promise<void> | void;
export declare class Application extends EventEmitter {
    private router;
    private errorHandlerFn;
    private notFoundHandlerFn;
    private asyncLocalStorage;
    private extensions;
    private contextClass;
    private logger;
    private bodyLimit;
    private readonly securityHeaders;
    private trustProxy;
    private strictJsonContentType;
    private readonly oversizedBodyStrategy;
    private readonly fallbackContentSecurityPolicy;
    private readonly strictHttpMethods;
    constructor(options?: ApplicationOptions);
    route(path: string): RouteBuilder;
    errorHandler(fn: ErrorHandler): void;
    notFoundHandler(fn: NotFoundHandler): void;
    setAsyncLocalStorage(als: AsyncLocalStorage<unknown>): void;
    extend(methods: Record<string, unknown>): void;
    callback(): RequestListener;
    private handleRequest;
    private runRequest;
}
export declare const createApp: (options?: ApplicationOptions) => Application;