import type { DisplayObjectConfig } from '@antv/g';
import type { Point } from '../../types';
import type { BaseEdgeStyleProps } from './base-edge';
import { Cubic } from './cubic';
/**
 * <zh/> 垂直方向的三次贝塞尔曲线样式配置项
 *
 * <en/> Cubic Bezier curve style properties in vertical direction
 */
export interface CubicVerticalStyleProps extends BaseEdgeStyleProps {
    /**
     * <zh/> 控制点在两端点连线上的相对位置，范围为`0-1`
     *
     * <en/> The relative position of the control point on the line, ranging from `0-1`
     * @defaultValue [0.5, 0.5]
     */
    curvePosition?: number | [number, number];
    /**
     * <zh/> 控制点距离两端点连线的距离，可理解为控制边的弯曲程度
     *
     * <en/> The distance of the control point from the line
     * @defaultValue [0, 0]
     */
    curveOffset?: number | [number, number];
}
/**
 * <zh/> 垂直方向的三次贝塞尔曲线
 *
 * <en/> Cubic Bezier curve in vertical direction
 * @remarks
 * <zh/> 特别注意，计算控制点时主要考虑 y 轴上的距离，忽略 x 轴的变化
 *
 * <en/> Please note that when calculating the control points, the distance on the y-axis is mainly considered, and the change on the x-axis is ignored
 */
export declare class CubicVertical extends Cubic {
    static defaultStyleProps: Partial<CubicVerticalStyleProps>;
    constructor(options: DisplayObjectConfig<CubicVerticalStyleProps>);
    protected getControlPoints(sourcePoint: Point, targetPoint: Point, curvePosition: [number, number], curveOffset: [number, number]): [Point, Point];
}