import type { AstroConfig } from '../../types/public/config.js';
import type { Params } from '../../types/public/common.js';
import type { ValidRedirectStatus } from '../../types/public/config.js';
import type { RouteData } from '../../types/public/internal.js';
/**
 * Router options derived from the active Astro config.
 * Controls base matching, trailing slash handling, and build output format.
 */
export interface RouterOptions {
    base: AstroConfig['base'];
    trailingSlash: AstroConfig['trailingSlash'];
    buildFormat: NonNullable<AstroConfig['build']>['format'];
}
interface RouterMatchRoute {
    type: 'match';
    route: RouteData;
    params: Params;
    pathname: string;
}
interface RouterMatchRedirect {
    type: 'redirect';
    location: string;
    status: ValidRedirectStatus;
}
interface RouterMatchNone {
    type: 'none';
    reason: 'no-match' | 'outside-base';
}
/**
 * Result of routing a pathname.
 * - match: route was found, includes route data and params.
 * - redirect: canonical redirect (trailing slash or leading slash normalization).
 * - none: no match (either outside base or no route pattern matched).
 */
export type RouterMatch = RouterMatchRoute | RouterMatchRedirect | RouterMatchNone;
/**
 * Matches request pathnames against a route list with base and trailing slash rules.
 */
export declare class Router {
    #private;
    constructor(routes: RouteData[], options: RouterOptions);
    /**
     * Match an input pathname against the route list.
     * If allowWithoutBase is true, a non-base-prefixed path is still considered.
     */
    match(inputPathname: string, { allowWithoutBase }?: {
        allowWithoutBase?: boolean;
    }): RouterMatch;
}
export {};