import { Point, Rectangle, Direction } from '../../math/geometry';
import { VisibilityEdge } from '../visibility/VisibilityEdge';
import { VisibilityVertex } from '../visibility/VisibilityVertex';
import { TransientGraphUtility } from './TransientGraphUtility';
export declare class FreePoint {
    Vertex: VisibilityVertex;
    get Point(): Point;
    IsOverlapped: boolean;
    get InitialWeight(): number;
    OutOfBoundsDirectionFromGraph: Direction;
    get IsOutOfBounds(): boolean;
    private maxVisibilitySegmentsAndCrossings;
    constructor(transUtil: TransientGraphUtility, point: Point);
    GetVertex(transUtil: TransientGraphUtility, point: Point): void;
    AddEdgeToAdjacentEdge(transUtil: TransientGraphUtility, targetEdge: VisibilityEdge, dirToExtend: Direction, limitRect: Rectangle): VisibilityVertex;
    AddToAdjacentVertex(transUtil: TransientGraphUtility, targetVertex: VisibilityVertex, dirToExtend: Direction, limitRect: Rectangle): void;
    ExtendEdgeChain(transUtil: TransientGraphUtility, targetVertex: VisibilityVertex, dirToExtend: Direction, limitRect: Rectangle): void;
    private GetSegmentAndCrossings;
    MaxVisibilityInDirectionForNonOverlappedFreePoint(dirToExtend: Direction, transUtil: TransientGraphUtility): Point;
    AddOobEdgesFromGraphCorner(transUtil: TransientGraphUtility, cornerPoint: Point): void;
    RemoveFromGraph(): void;
    toString(): string;
}