import { type SharedValue } from "react-native-reanimated";
import type { SkFont } from "@shopify/react-native-skia";
import type { ChartEngineLayout } from "../core/useLiveChartEngine";
import type { ResolvedSegment } from "../core/resolveSegment";
import type { ChartPadding } from "../draw/line";
/** Screen-space geometry for one segment's divider + label, per frame. */
export interface SegmentDividerLayout {
    visible: boolean;
    /** Segment left edge (px) — the divider sits here. */
    x1: number;
    /** Segment right edge (px). */
    x2: number;
    /** Segment top edge (plot top). */
    yTop: number;
    /** Segment bottom edge (plot bottom). */
    yBottom: number;
    label: string;
    labelX: number;
    labelY: number;
}
/**
 * Derives the screen-space geometry for a single segment's dashed divider and
 * caption label each frame: the x-extent projected from its `[from, to]` time
 * range, the plot's top/bottom edges, and the label anchor. The projection math
 * lives in pure `segmentBandX` so it is unit-testable without Reanimated.
 */
export declare function useSegmentDivider(engine: ChartEngineLayout, padding: ChartPadding, segment: ResolvedSegment, font: SkFont): SharedValue<SegmentDividerLayout>;
//# sourceMappingURL=useSegmentDivider.d.ts.map