type UseFlameHeightResult = {
    /** Pixel height to pass to XYChart. Equals the full content height when auto or scrolling; the viewport height otherwise. */
    computedHeight: number;
    /** True when the content is taller than the viewport and a scroll container is needed. */
    shouldScroll: boolean;
    /** CSS height string for the scroll wrapper element (e.g. `"300px"`). Falls back to `DEFAULT_CHART_HEIGHT` when `height` is undefined. */
    scrollSectionHeight: string;
};
/**
 * Resolves the effective pixel height for a flame visualization and whether its
 * content should scroll. When `height` is `'auto'` or the content is taller than
 * the viewport, the chart grows to fit all depth levels. Otherwise it is clamped
 * to the given viewport height.
 *
 * @internal
 */
export declare const useFlameHeight: (height: number | string | undefined, depthCount: number, overheadPx: number) => UseFlameHeightResult;
export {};
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