import type { ResolvedAxisLabelConfig } from "../core/resolveConfig";
import type { ChartEngineExtrema, ChartEngineLayout } from "../core/useLiveChartEngine";
import type { ChartPadding } from "../draw/line";
/** `"extrema-edge"` top label's inset from the very top of the chart (px). The
 *  connector ({@link ExtremaConnectorOverlay}) reads this to stop at the label. */
export declare const EXTREMA_EDGE_INSET = 2;
/** Default value-text size (px). Mirrors `styles.extremaText`; the connector
 *  reads it to estimate where the edge label ends. */
export declare const EXTREMA_LABEL_FONT_SIZE = 11;
/** Whether the high and low extrema resolve to the exact same data point. */
export declare function extremaPointsCoincide(firstTime: number, firstValue: number, secondTime: number, secondValue: number): boolean;
/**
 * React Native overlay (NOT Skia) floating axis edge labels over the Skia
 * canvas — `topLabel` pinned to the plot's top edge and `bottomLabel` to its
 * bottom edge (Robinhood-style high/low values).
 *
 * For each side: a resolved config with a `render` floats that custom element;
 * otherwise the built-in {@link BuiltInAxisValueLabel} shows the chart's current
 * `engine.displayMax` (top) / `engine.displayMin` (bottom) — the live Y-axis
 * bounds — formatted with the config's `format` (falling back to the chart's
 * `formatValue`) in the config `color` (falling back to `defaultColor`).
 *
 * When a side's `position` is `"extrema"` (and the engine exposes the live
 * extrema), it instead floats at the actual data point where the high / low
 * occurs via {@link ExtremaAxisLabel}.
 *
 * Because the chart's `<View>` is the canvas size, the plot's top edge sits
 * `padding.top` px from the top and its bottom edge `padding.bottom` px from
 * the bottom — so positioning needs only the resolved padding (no live height,
 * no SharedValues). `pointerEvents="none"` keeps the labels display-only so they
 * never intercept the scrub pan gesture.
 */
export declare function AxisLabelOverlay({ topLabel, bottomLabel, engine, formatValue, defaultColor, padding, extremaTimeOffset, hideExtrema, }: {
    topLabel: ResolvedAxisLabelConfig | null;
    bottomLabel: ResolvedAxisLabelConfig | null;
    engine: ChartEngineLayout & Partial<ChartEngineExtrema>;
    formatValue: (v: number) => string;
    defaultColor: string;
    padding: ChartPadding;
    /**
     * Seconds added to each extremum time before projecting (for `"extrema"`
     * labels). Half a candle width in candle mode so the dot aligns with the
     * candle's drawn center; `0` (default) for line / multi-series.
     */
    extremaTimeOffset?: number;
    /** Hide point-anchored extrema while the chart is showing its loading shell. */
    hideExtrema?: boolean;
}): import("react").JSX.Element | null;
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