export interface IBikeRentalStation {
    stationId: string;
    name: string;
    bikesAvailable: number;
    spacesAvailable: number;
    lat: number;
    lon: number;
    allowDropoff: boolean;
}
interface IBikeRentalStationNode {
    place: IBikeRentalStation;
    distance: number;
}
/**
 * Change the GraphQL API URL from the default one.
 *
 * @param {string} url The new API URL.
 */
export declare const graphqlApiUrl_set: (url: string) => string;
/**
 * Get the current API URL that is being used by the package.
 */
export declare const graphqlApiUrl_get: () => string;
/**
 * Fetch information about all HSL bike rental stations.
 *
 * @returns A Promise for an Array of bike rental stations.
 */
export declare function fetchBikeRentalStations(): Promise<IBikeRentalStation[]>;
/**
 * Fetch information about all HSL bike rental stations.
 *
 * @param {string} stationId The station number as a string. Note that stations with number below 100 has a leading 0 in their ids.
 *
 * @returns A Promise for a bike rental station. Resolves if a station is found, rejects otherwise.
 */
export declare function fetchBikeRentalStations(stationId: string): Promise<IBikeRentalStation>;
/**
 * Fetch the nearest bike rental stations.
 *
 * @param {number} latitude The latitudal position from where to measure the distance.
 * @param {number} longitude The longitudal position from where to measure the distance.
 * @param {number | undefined} maxResults The maximum amount of result to get. Note that this is only a maximum, and that the API usually do not give more than around 15 results.
 * @param {number | undefined} maxDistance Serach for stations within a certain radius. The distance unit is meters.
 *
 * @returns An Array of nodes. A node contains a bike rental station and its distances to the specified location. The nodes are ordered according to the distance, with the closest being the first element.
 */
export declare function fetchNearestBikeRentalStations(lat: number, lon: number, maxResults?: number, maxDistance?: number): Promise<IBikeRentalStationNode[]>;
export {};