/** Sparkline — a compact inline trend, recharts Area internals (W2 §The Kit). */
import type { ComponentProps } from "react";
import { Area } from "recharts";
import { type KitStyled, type KitTone, type KitEngine, type KitRendered } from "../tokens.js";
interface SparklineOwnProps extends KitStyled {
    /** A list of numbers, or rows with a `valueKey`. */
    data?: Array<number | Record<string, unknown>>;
    /** Field to read when `data` holds objects. */
    valueKey?: string;
    height?: number;
    /** Placeholder shown when there is nothing renderable. */
    emptyState?: string;
    /** Paints the line — a trend that is bad news is `danger`. */
    tone?: KitTone;
}
/** Plus any recharts `<Area>` prop, handed straight to the curve. It arrives
 *  AFTER the Kit's own defaults, so `stroke` wins, and BEFORE `dataKey`, which
 *  the component owns — an overridden one would plot a field that is not there. */
export type SparklineProps = SparklineOwnProps & KitEngine<ComponentProps<typeof Area>, SparklineOwnProps, "dataKey">;
export declare function Sparkline({ data, valueKey, height, emptyState, tone, style, children, pending, ...engine }: SparklineProps & KitRendered): import("react").JSX.Element;
export {};