import { NauticalMiles } from "./common";
import { Position } from "./position";
/**
 * Measure the distance from one position to another
 *
 * @example
 * let distance = getDistance(
 *     new Position(50.0379326, 8.5599631),
 *     new Position(40.6413113, -73.780327)
 * );
 * // distance = 13345.2785...
 *
 * @param from Initial Position where to get the distance from
 * @param to Position where to get the distance to
 * @returns The distance in nautical miles
 */
export declare function getDistance(from: Position, to: Position): NauticalMiles;