import { Polyline } from '../math/geometry';
import { Shape } from './shape';
export declare class TightLooseCouple {
    private tightPoly;
    get TightPolyline(): Polyline;
    set TightPolyline(value: Polyline);
    LooseShape: Shape;
    static mk(tightPolyline: Polyline, looseShape: Shape, distance: number): TightLooseCouple;
    Distance: number;
    toString(): string;
}