import { Point } from '../../../math/geometry/point';
import { Polyline } from '../../../math/geometry/polyline';
import { PolylinePoint } from '../../../math/geometry/polylinePoint';
import { SegmentBase } from '../../visibility/SegmentBase';
export declare abstract class ObstacleSide extends SegmentBase {
    StartVertex: PolylinePoint;
    Init(sv: PolylinePoint): void;
    constructor(startVertex: PolylinePoint);
    abstract get EndVertex(): PolylinePoint;
    get Polyline(): Polyline;
    get Start(): Point;
    get End(): Point;
}