import { Direction } from '../../math/geometry/direction';
import { Point } from '../../math/geometry/point';
import { Obstacle } from './obstacle';
export declare class GroupBoundaryCrossing {
    Group: Obstacle;
    DirectionToInside: Direction;
    static BoundaryWidth: number;
    constructor(group: Obstacle, dirToInside: Direction);
    BoundaryWidth: number;
    GetInteriorVertexPoint(outerVertex: Point): Point;
    toString(): string;
}