import * as React from 'react';
import type { LineItemClickIdentifier } from "../models/seriesType/line.js";
import type { SeriesId } from "../models/seriesType/common.js";
import type { ChartsActivationEvent } from "../models/events.js";
/**
 * Priorities matching the pointer hit-testing order: marks sit above lines, lines above areas.
 * The topmost callback a pointer would reach is the one keyboard activation fires.
 */
export declare const LINE_ACTIVATION_PRIORITY: {
  mark: number;
  line: number;
  area: number;
};
/**
 * Registers <kbd>Enter</kbd>/<kbd>Space</kbd> activation of the focused line item.
 */
export declare function useRegisterLineItemActivation(onItemClick: ((event: ChartsActivationEvent<SVGElement>, lineItemIdentifier: LineItemClickIdentifier) => void) | undefined, priority: number,
/**
 * Declines items the caller does not render, so activation falls through to the next handler.
 * Used by the mark plot: a mark that is not shown should defer to the line, then the area.
 */
canActivate?: (item: LineItemClickIdentifier) => boolean): void;
/**
 * Creates a click handler for line and area paths that enriches the item
 * identifier with the `dataIndex` of the closest data point along the x-axis.
 *
 * The index is derived from the click position, using the same logic as the
 * axis interaction (tooltip, highlight, `onAxisClick`). The callback is not
 * fired when the click position cannot be associated with a data point.
 */
export declare function useLineItemClickHandler(onItemClick: ((event: ChartsActivationEvent<SVGElement>, lineItemIdentifier: LineItemClickIdentifier) => void) | undefined, priority: number,
/**
 * Declines items the caller does not render, so activation falls through to the next handler.
 * The area plot uses it to defer when the series has no area drawn.
 */
canActivate?: (item: LineItemClickIdentifier) => boolean): ((event: React.MouseEvent<SVGElement, MouseEvent>, seriesId: SeriesId) => void) | undefined;