import { BezierEdgeBase } from "./bezier-edge-base.ts";
import type { Label, EdgeOptions, Point, VBody } from "./types.ts";
/**
 * A Base Class for all Cubic Bezier Edges. Bezier curves are used to model
 * smooth gradual curves in paths between nodes.
 * @augments BezierEdgeBase
 */
export declare abstract class CubicBezierEdgeBase<Via> extends BezierEdgeBase<Via> {
    /**
     * Create a new instance.
     * @param options - The options object of given edge.
     * @param body - The body of the network.
     * @param labelModule - Label module.
     */
    constructor(options: EdgeOptions, body: VBody, labelModule: Label);
    /**
     * Calculate the distance between a point (x3,y3) and a line segment from (x1,y1) to (x2,y2).
     * @remarks
     * http://stackoverflow.com/questions/849211/shortest-distancae-between-a-point-and-a-line-segment
     * https://en.wikipedia.org/wiki/B%C3%A9zier_curve
     * @param x1 - First end of the line segment on the x axis.
     * @param y1 - First end of the line segment on the y axis.
     * @param x2 - Second end of the line segment on the x axis.
     * @param y2 - Second end of the line segment on the y axis.
     * @param x3 - Position of the point on the x axis.
     * @param y3 - Position of the point on the y axis.
     * @param via1 - The first point this edge passes through.
     * @param via2 - The second point this edge passes through.
     * @returns The distance between the line segment and the point.
     */
    protected _getDistanceToBezierEdge2(x1: number, y1: number, x2: number, y2: number, x3: number, y3: number, via1: Point, via2: Point): number;
}
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