import type { CandleGap, CandleGapKind, LiveChartPoint } from "../types";
import type { ChartPadding } from "./line";
export interface LineGapBridge {
    x1: number;
    x2: number;
    y: number;
    kind: CandleGapKind;
}
export interface LineGapGeometry {
    bridges: LineGapBridge[];
}
/** Whether an explicit gap conflicts with at least one real line sample. */
export declare function lineGapContainsData(data: LiveChartPoint[], gap: CandleGap): boolean;
/** Latest observed line value strictly before `time`. */
export declare function previousLineValueAtTime(data: LiveChartPoint[], time: number): number | null;
/**
 * Contiguous point ranges that may be drawn without interpolating across an
 * explicit empty interval. Each pair is `[startPoint, endPointExclusive]`.
 * Real samples inside a declared gap make that gap inert, matching the candle
 * contract that observed market data always wins over presentation metadata.
 */
export declare function buildLineGapSegmentRanges(points: number[], data: LiveChartPoint[], gaps: CandleGap[], winStart: number, windowSecs: number, plotLeft: number, plotWidth: number, out?: number[], gapXsOut?: number[]): number[];
/** Pure worklet geometry for flat previous-value bridges in line gaps. */
export declare function buildLineGapGeometry(data: LiveChartPoint[], gaps: CandleGap[], padding: ChartPadding, canvasW: number, canvasH: number, winStart: number, windowSecs: number, displayMin: number, displayMax: number, bridgeNoTrades: boolean, bridgeUnavailable: boolean, bridgeUnknown: boolean): LineGapGeometry;
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