import type { LatLon } from "@azure/maps-common";
import type { BatchRequest, RouteGetRouteDirectionsQueryParamProperties } from "./generated/index.js";
/**
 * Transform an array of [Latitude, Longtitute] to a string in the following format:
 * "Latitude_1,Longtitute_1:Latitude_2,Longtitute_2:..."
 *
 * @param coordinates - An array of Latitude/Longtitute pair to transform.
 * @returns The transformed string.
 */
export declare function toColonDelimitedLatLonString(coordinates: LatLon[]): string;
/**
 * Create a batch request body of a bunch of route direction requests.
 *
 * @param queryParamProperties - An object of the query parameters for a route direction request
 * @returns The composed batch request.
 */
export declare function createRouteDirectionsBatchRequest(queryParamProperties: RouteGetRouteDirectionsQueryParamProperties[]): BatchRequest;
//# sourceMappingURL=helpers.d.ts.map