import { Selection } from 'd3-selection';
import { XYComponentCore } from '../../core/xy-component';
import { Spacing } from '../../types/spacing';
import { PlotlineConfigInterface } from './config';

import * as s from './style';
export declare class Plotline<Datum> extends XYComponentCore<Datum, PlotlineConfigInterface<Datum>> {
    static selectors: typeof s;
    protected _defaultConfig: PlotlineConfigInterface<Datum>;
    value: number | null | undefined;
    plotline: Selection<SVGLineElement, unknown, null, undefined>;
    labelGroup: Selection<SVGGElement, unknown, null, undefined>;
    label: Selection<SVGTextElement, unknown, null, undefined>;
    constructor(config: PlotlineConfigInterface<Datum>);
    /** Extra space required to fit the plotline label, which is otherwise clipped
     * when the plotline is drawn close to the edge of the chart. */
    get bleed(): Spacing;
    _render(customDuration?: number): void;
    private _isValueWithinDomain;
    private _getLineCoordinates;
    private _getLabelFontSize;
    /** The label as text blocks, used for both rendering and size estimation. The config-level
     * label options and CSS values act as defaults: values set on a text block take priority */
    private _getLabelTextBlocks;
    /** The label's bounding box for the given layout, in the component's coordinate system */
    private _getLabelBBox;
    private _getLabelLayout;
    private computeLabel;
}