import { Point } from "../../internal";
/**
 * Line segment of an edge between two points
 */
export declare class Segment {
    /**
     * Edge number
     */
    private readonly _edge;
    /**
     * Polygon ring number
     */
    private readonly _ring;
    /**
     * Left point
     */
    private readonly _leftPoint;
    /**
     * Right point
     */
    private readonly _rightPoint;
    /**
     * Segment above
     */
    private _above;
    /**
     * Segment below
     */
    private _below;
    /**
     * Constructor
     * @param edge edge number
     * @param ring ring number
     * @param leftPoint left point
     * @param rightPoint right point
     */
    constructor(edge: number, ring: number, leftPoint: Point, rightPoint: Point);
    /**
     * Get the edge number
     *
     * @return edge number
     */
    get edge(): number;
    /**
     * Get the polygon ring number
     *
     * @return polygon ring number
     */
    get ring(): number;
    /**
     * Get the left point
     *
     * @return left point
     */
    get leftPoint(): Point;
    /**
     * Get the right point
     *
     * @return right point
     */
    get rightPoint(): Point;
    /**
     * Get the segment above
     *
     * @return segment above
     */
    get above(): Segment;
    /**
     * Set the segment above
     *
     * @param above
     *            segment above
     */
    set above(above: Segment);
    /**
     * Get the segment below
     *
     * @return segment below
     */
    get below(): Segment;
    /**
     * Set the segment below
     *
     * @param below
     *            segment below
     */
    set below(below: Segment);
}