import { ValhallaEngine } from 'rendezvous-kit';
import type { LatLon, TransportMode, Isochrone, RouteMatrix, RouteGeometry } from 'rendezvous-kit';
import type { L402PaymentRequired } from './l402.js';
/** Validate that a string is an HTTP(S) URL. */
export declare function validateUrl(url: string, label: string): string;
export declare class RoutingClient {
    readonly valhallaUrl: string;
    private readonly l402;
    constructor(config?: {
        valhallaUrl?: string;
    });
    /** Store L402 credentials after user pays an invoice. */
    storeL402Credentials(macaroon: string, preimage: string): void;
    /** Build a ValhallaEngine with current auth headers. */
    getEngine(): ValhallaEngine;
    /** Compute isochrone, returning L402PaymentRequired on 402. */
    computeIsochrone(origin: LatLon, mode: TransportMode, timeMinutes: number): Promise<Isochrone | L402PaymentRequired>;
    /** Compute route matrix, returning L402PaymentRequired on 402. */
    computeRouteMatrix(origins: LatLon[], destinations: LatLon[], mode: TransportMode): Promise<RouteMatrix | L402PaymentRequired>;
    /** Compute route, returning L402PaymentRequired on 402. */
    computeRoute(origin: LatLon, destination: LatLon, mode: TransportMode): Promise<RouteGeometry | L402PaymentRequired>;
    private handleError;
}
/** Type guard for L402 payment required responses. */
export declare function isPaymentRequired(result: unknown): result is L402PaymentRequired;