import type { CandleMetrics, CandlePoint } from "../types";
import type { ChartPadding } from "./line";
export interface VolumeBar {
    x: number;
    y: number;
    w: number;
    h: number;
    up: boolean;
}
export interface VolumeGeometry {
    bars: VolumeBar[];
}
/**
 * Build screen-space volume bars for the reserved band below the candles. Bars
 * align under the candle bodies (same width + center) and grow up from the band
 * baseline (the x-axis line). Heights are normalized to the largest *visible*
 * volume so the tallest bar fills `bandHeight`. Pure worklet — no Skia imports,
 * consumed by {@link useCandlePaths}.
 *
 * `padding.bottom` is the already-reserved bottom (it includes `bandHeight`), so
 * `canvasH - padding.bottom` is the candle plot's bottom = the top of the band,
 * and the baseline sits `bandHeight` below it (the x-axis line).
 */
export declare function buildVolumeGeometry(candles: CandlePoint[], liveCandle: CandlePoint | null, padding: ChartPadding, canvasW: number, canvasH: number, winStart: number, windowSecs: number, bandHeight: number, candleWidthSecs: number, metrics?: CandleMetrics): VolumeGeometry;
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