import { type SharedValue } from "react-native-reanimated";
import type { ChartEngineScroll, SingleEngineState } from "../core/useLiveChartEngine";
import type { ChartPadding } from "../draw/line";
/**
 * Derive the live dot position (right edge of the chart, mapped to current value).
 * Returns `{ dotX, dotY }` as shared values. Coordinates are set to `-100`
 * (off-screen sentinel) when canvas dimensions are unavailable.
 *
 * With `followViewEdge` + `edgeValue`, the dot (and the value line that shares
 * `dotY`) tracks the visible window's right-edge price while scrolled back, so it
 * stays aligned with a `followViewEdge` badge instead of marking the live value.
 *
 * With `trackWhileParked` (`dot.trackWhileParked`), the dot instead tracks the
 * **true live point's x** while scrolled back / overscrolled (`viewEnd`
 * frozen), and hides once the live point leaves the visible window.
 * `followViewEdge` wins when both are set — an edge-pinned dot must stay
 * aligned with its badge.
 */
export declare function useLiveDot(engine: SingleEngineState & ChartEngineScroll, padding: ChartPadding, edgeValue?: SharedValue<number>, followViewEdge?: boolean, trackWhileParked?: boolean): {
    readonly dotX: import("react-native-reanimated").DerivedValue<number>;
    readonly dotY: import("react-native-reanimated").DerivedValue<number>;
};
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