import type { CartesianChart } from "./cartesian";
/**
 * Update {@link CartesianChart._hoveredIndex} for the given mouse
 * position. Triggers a chrome re-render if the hovered index changes.
 *
 * In faceted mode, the hit test first resolves which facet the mouse is
 * over, then restricts the search to that facet's series slice. This
 * makes hover local to a facet; coordinated ghost indicators in other
 * facets are painted by the chrome overlay.
 */
export declare function handleCartesianHover(chart: CartesianChart, mx: number, my: number): void;
/**
 * Show a sticky (pinned) tooltip at the given point, anchored to the
 * GL canvas's parent via the tooltip controller.
 *
 * In faceted mode, resolves the source facet from `pointIdx` and uses
 * that cell's layout so the tooltip anchors to the correct sub-plot.
 */
export declare function showCartesianPinnedTooltip(chart: CartesianChart, pointIdx: number): void;
export declare function dismissCartesianPinnedTooltip(chart: CartesianChart): void;