import type { DisplayObjectConfig } from '@antv/g';
import type { PathArray } from '@antv/util';
import type { Point } from '../../types';
import type { BaseEdgeStyleProps } from './base-edge';
import { BaseEdge } from './base-edge';
/**
 * <zh/> 二次贝塞尔曲线样式配置项
 *
 * <en/> Quadratic Bezier curve style properties
 */
export interface QuadraticStyleProps extends BaseEdgeStyleProps {
    /**
     * <zh/> 控制点，用于定义曲线的形状。如果不指定，将会通过`curveOffset`和`curvePosition`来计算控制点
     *
     * <en/> Control point. Used to define the shape of the curve. If not specified, it will be calculated using `curveOffset` and `curvePosition`.
     */
    controlPoint?: Point;
    /**
     * <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
     */
    curvePosition?: 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 30
     */
    curveOffset?: number;
}
type ParsedQuadraticStyleProps = Required<QuadraticStyleProps>;
/**
 * <zh/> 二次贝塞尔曲线
 *
 * <en/> Quadratic Bezier curve
 */
export declare class Quadratic extends BaseEdge {
    static defaultStyleProps: Partial<QuadraticStyleProps>;
    constructor(options: DisplayObjectConfig<QuadraticStyleProps>);
    protected getKeyPath(attributes: ParsedQuadraticStyleProps): PathArray;
}
export {};