import { Port } from '../../layout/core/port';
import { Point } from '../../math/geometry/point';
import { Polyline } from '../../math/geometry/polyline';
import { PolylinePoint } from '../../math/geometry/polylinePoint';
import { Rectangle } from '../../math/geometry/rectangle';
import { Shape } from '../shape';
import { LowObstacleSide, HighObstacleSide } from './BasicObstacleSide';
import { OverlapConvexHull } from './OverlapConvexHull';
import { ScanDirection } from './ScanDirection';
export declare class Obstacle {
    static readonly FirstSentinelOrdinal = 1;
    static readonly FirstNonSentinelOrdinal = 10;
    private _PaddedPolyline;
    get PaddedPolyline(): Polyline;
    set PaddedPolyline(value: Polyline);
    IsRectangle: boolean;
    InputShape: Shape;
    Ports: Set<Port>;
    ConvexHull: OverlapConvexHull;
    OverlapsGroupCorner: boolean;
    private _looseVisibilityPolyline;
    get looseVisibilityPolyline(): Polyline;
    set looseVisibilityPolyline(value: Polyline);
    GetPortChanges(t: {
        addedPorts: Set<Port>;
        removedPorts: Set<Port>;
    }): boolean;
    get IsInConvexHull(): boolean;
    get IsGroup(): boolean;
    get VisibilityBoundingBox(): Rectangle;
    get VisibilityPolyline(): Polyline;
    static CreateSentinel(a: Point, b: Point, scanDir: ScanDirection, scanlineOrdinal: number): Obstacle;
    ActiveLowSide: LowObstacleSide;
    ActiveHighSide: HighObstacleSide;
    CreateInitialSides(startPoint: PolylinePoint, scanDir: ScanDirection): void;
    constructor(shape: Shape, padding: number);
    static mk(a: Point, b: Point, scanlineOrdinal: number): Obstacle;
    private IsPolylineRectangle;
    static RoundVerticesAndSimplify(polyline: Polyline): void;
    get IsPrimaryObstacle(): boolean;
    static RemoveCloseAndCollinearVerticesInPlace(polyline: Polyline): Polyline;
    Ordinal: number;
    clump: Array<Obstacle>;
    get isOverlapped(): boolean;
    get IsSentinel(): boolean;
    IsInSameClump(other: Obstacle): boolean;
    Close(): void;
    SetConvexHull(hull: OverlapConvexHull): void;
    static CreateLoosePolyline(polyline: Polyline): Polyline;
    get IsTransparentAncestor(): boolean;
    set IsTransparentAncestor(value: boolean);
}