/**
 * This is a derivative of Julien Schmidt's go implementation in httprouter
 * https://github.com/julienschmidt/httprouter/blob/v1.3.0/tree.go
 *
 *  Copyright 2013 Julien Schmidt. All rights reserved.
 *  Use of this source code is governed by a BSD-style license that can be found
 *  at https://github.com/julienschmidt/httprouter/blob/master/LICENSE
 *
 * It lacks Trailing Slash Recommendation and Case Insensitive Search features
 * It has patches as applied in https://github.com/gin-gonic/gin
 *
 */
declare const enum SegmentType {
    Static = 0,
    Root = 1,
    Param = 2,
    CatchAll = 3
}
export declare class Router<T> {
    methods: Record<string, TreeNode<T>>;
    on(method: HttpMethod, route: string, handler: T): Router<T>;
    find(method: string, url: string): {
        handle: T | null;
        params: [string, string][];
    };
}
export declare class TreeNode<T> {
    private path;
    private indices;
    private wildChild;
    private type;
    private priority;
    private children;
    private handle;
    constructor(path?: string, indices?: string, wildChild?: boolean, type?: SegmentType, priority?: number, children?: TreeNode<T>[], handle?: T | null);
    private addChild;
    /**
     * adds a node with the given handle to the path.
     * @param path
     * @param handle
     * @returns
     */
    set(path: string, handle: T): TreeNode<T>;
    /**
     * Returns the handle registered with the given path. Any found parameters
     * are added to an array of entries
     * suitable for `Object.fromEntries` or a `Map` constructor
     * @param path
     * @returns
     */
    get(path: string): {
        handle: T | null;
        params: [string, string][];
    };
    private insertChild;
    private incrementChildPriority;
}
type SetType<S> = S extends Set<infer T> ? T : never;
export type HttpMethod = SetType<typeof HTTP_METHODS>;
declare const HTTP_METHODS: Set<"ACL" | "BIND" | "CHECKOUT" | "CONNECT" | "COPY" | "DELETE" | "GET" | "HEAD" | "LINK" | "LOCK" | "M-SEARCH" | "MERGE" | "MKACTIVITY" | "MKCALENDAR" | "MKCOL" | "MOVE" | "NOTIFY" | "OPTIONS" | "PATCH" | "POST" | "PRI" | "PROPFIND" | "PROPPATCH" | "PURGE" | "PUT" | "REBIND" | "REPORT" | "SEARCH" | "SOURCE" | "SUBSCRIBE" | "TRACE" | "UNBIND" | "UNLINK" | "UNLOCK" | "UNSUBSCRIBE" | "UPGRADE">;
export {};