import type { ChartConfig } from "./chart-types";
/** A single row rendered in the chart tooltip. */
export interface ChartTooltipRow {
    label: string;
    value: string | number;
    color: string;
}
/** SVG gridlines + axis labels for each Y tick. Render inside the chart's <svg>. */
export declare function ChartGrid({ ticks, scaleY, width, }: {
    ticks: number[];
    scaleY: (v: number) => number;
    width: number;
}): import("react/jsx-runtime").JSX.Element;
/** Toggleable HTML legend; each item's aria-pressed reflects series visibility. */
export declare function ChartLegend({ config, hidden, onToggle, }: {
    config: ChartConfig;
    hidden: Record<string, boolean>;
    onToggle: (key: string) => void;
}): import("react/jsx-runtime").JSX.Element;
/**
 * Absolutely-positioned hover tooltip; left/top are relative to the .vyre-chart
 * container. Edge-aware: after render it measures itself + the container and
 * flips/clamps so it never overflows (and stays readable near the edges).
 */
export declare function ChartTooltip({ x, y, rows, title, }: {
    x: number;
    y: number;
    rows: ChartTooltipRow[];
    title?: string;
}): import("react/jsx-runtime").JSX.Element;
interface ChartTooltipData {
    x: number;
    y: number;
    rows: ChartTooltipRow[];
    title?: string;
}
/** State hook driving ChartTooltip visibility/content. */
export declare function useChartTooltip(): {
    active: boolean;
    data: ChartTooltipData | null;
    show: (x: number, y: number, rows: ChartTooltipRow[], title?: string) => void;
    hide: () => void;
};
export {};