export function computeSpeed(distance: number, duration: number): number;
export function geodesicDistance(point1: import("../types").Coordinates, point2: import("../types").Coordinates): number;
export function computeSphericalCenter(coordinates: Array<import("../types").Coordinates>): import("../types").Coordinates;
export function deltaLongitude(latitude: number, distance: number): number;
export function deltaLatitude(distance: number): number;