import type { IPoint } from "../util/IPoint";
import { Container, IContainerSettings, IContainerPrivate } from "./Container";
import { Triangle } from "./Triangle";
import { OrthogonalLine } from "./OrthogonalLine";
export interface ILinkSettings extends IContainerSettings {
    /**
     * Points the link goes through, in pixels. Between two points that differ
     * in both x and y it goes horizontally first, then vertically.
     */
    points?: Array<IPoint>;
    cornerRadius?: number;
}
export interface ILinkPrivate extends IContainerPrivate {
}
/**
 * A connector made of horizontal and vertical segments through `points`, with
 * an arrow at each end, such as a dependency line in a Gantt chart.
 *
 * @see {@link https://www.amcharts.com/docs/v5/concepts/common-elements/graphics/} for more info
 * @important
 */
export declare class Link extends Container {
    _settings: ILinkSettings;
    _privateSettings: ILinkPrivate;
    static className: string;
    static classNames: Array<string>;
    /**
     * The visible line.
     */
    line: OrthogonalLine;
    /**
     * A wider, invisible copy of the line that makes the link easier to hover
     * and click.
     */
    hitLine: OrthogonalLine;
    /**
     * The arrow at the first point.
     */
    startArrow: Triangle;
    /**
     * The arrow at the last point.
     */
    endArrow: Triangle;
    protected _afterNew(): void;
    _updateChildren(): void;
}
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