import { type DfPoint } from '../../../../../../ng-draw-flow.interfaces';
/**
 * Builds an SVG path segment describing a rounded bend that smoothly joins
 * the straight legs coming **into** and **out of** the waypoint **cornerPoint**.
 *
 * @param startPoint  point before the bend
 * @param cornerPoint the actual “corner” point
 * @param endPoint    point after the bend
 * @param maxRadius   upper bound for the smoothing radius
 */
export declare function bend(startPoint: DfPoint, cornerPoint: DfPoint, endPoint: DfPoint, maxRadius: number): string;