import { Curve } from '../curves';
import { type Vector, Vector2, Vector3 } from '../geometry';
/**
 * Utility class for manipulating connected curves
 *
 * @exports
 * @class Path
 * @template {Vector} [V=Vector2|Vector3]
 * @template {Curve<V>} [C=Curve<V>]
 * @extends Curve<V>
 */
export default class Path<V extends Vector = Vector2 | Vector3, C extends Curve<V> = Curve<V>> extends Curve<V> {
    readonly isPath = true;
    readonly type: string;
    /**
     * Array of curves composing this path
     */
    curves: C[];
    /**
     * Array of points composing this path
     */
    points: V[];
    /**
     * Define if a last point should be automatically added to close this path
     */
    autoClose: boolean;
    constructor({ autoClose }?: {
        autoClose?: boolean;
    });
    /**
     * Add a curve to this path
     *
     * @param {Curve} curve Curve to add
     */
    add(curve: C): void;
    /**
     * Interpolate a point on this path
     *
     * @param {number} t Normalized time value to interpolate
     * @returns {Vector} Interpolated coordinates on the curve
     */
    getPoint(t: number): V;
    /**
     * Compute the curve shape into an array of points
     *
     * @param {number} [divisions=40] Number of divisions
     * @returns {Vector[]}
     */
    getPoints(divisions?: number): V[];
    /**
     * Compute the curve shape into an array of equi-spaced points across the entire curve path
     *
     * @param {number} [divisions=40] Number of divisions
     * @returns {Vector[]}
     */
    getSpacedPoints(divisions?: number): V[];
    /**
     * Compute the total arc length of this path
     *
     * @returns {number}
     */
    getLength(): number;
    /**
     * Compute the cumulative curve lengths of this path
     *
     * @returns {number[]}
     */
    getCurveLengths(): number[];
    /**
     * Update the cached cumulative segment lengths
     */
    updateArcLengths(): void;
}