import type { LiveChartPoint } from "../types";
/**
 * Compute visible Y range from data points + current value.
 * Returns { min, max } with margin applied.
 */
export declare function computeRange(visible: LiveChartPoint[], currentValue: number, referenceValue?: number, exaggerate?: boolean, nonNegative?: boolean, maxValue?: number): {
    min: number;
    max: number;
};
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