import type { Map } from 'maplibre-gl';
export declare enum ContourType {
    Time = "time",
    Distance = "distance"
}
export interface Contour {
    time?: number;
    distance?: number;
    color: string;
}
export interface IsochroneStyle {
    font: string[];
    fontSize: number;
    fontHalo: number;
    fontColor: string;
    fontHaloColor: string;
}
export interface ValhallaIsochroneOptions {
    Contours?: Contour[];
    isochrone?: IsochroneStyle;
}
export declare class ValhallaIsochrone {
    private map;
    private url;
    private contourSources;
    private contourLayers;
    private contourMaker;
    private contours;
    private isochroneStyle;
    /**
     * Constructor
     * @param url URL for terrain RGB raster tilesets
     */
    constructor(map: Map, url: string, contours?: Contour[], isochroneStyle?: IsochroneStyle);
    clearFeatures(): void;
    getIsochrone(lon: number, lat: number, contourType: ContourType, costing?: string, contours?: Contour[]): Promise<string | undefined>;
    getContoursOption(): Contour[];
}