import { Segment } from './Segment';
import type { Point } from './Point';
/**
 * Represents a contour (closed polygon boundary) with multiple vertices
 */
export declare class Contour {
    private points;
    private holeOf;
    private holeIds;
    private depth;
    constructor(points?: Point[]);
    nvertices(): number;
    segment(i: number): Segment;
    addPoint(point: Point): void;
    getPoints(): Point[];
    setPoints(points: Point[]): void;
    /**
     * Set this contour as a hole of another contour
     */
    setHoleOf(parentIndex: number): void;
    /**
     * Get the parent contour index if this is a hole
     */
    getHoleOf(): number | null;
    /**
     * Add a hole to this contour
     */
    addHole(holeIndex: number): void;
    /**
     * Get all hole indices for this contour
     */
    getHoles(): number[];
    /**
     * Set the nesting depth
     */
    setDepth(depth: number): void;
    /**
     * Get the nesting depth
     */
    getDepth(): number;
    /**
     * Check if this contour is a hole
     */
    isHole(): boolean;
}
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