import type { FC } from 'react';
export interface LineChartGridProps {
    /** Render vertical grid lines in addition to the default horizontal ones. */
    vertical?: boolean;
    /**
     * Keep the topmost horizontal grid line unconditionally. By default the line
     * is dropped only when it would visually crowd the chart's top edge — see
     * {@link dropEdgeGridLines} for the threshold (Figma "no top x-line" rule).
     */
    keepTopLine?: boolean;
    /**
     * Keep the bottommost horizontal grid line. By default the line is dropped
     * because the solid `<LineChartXAxis>` axis line owns the bottom rail — set
     * to `true` when the X-axis line is hidden and the grid should draw the
     * bottom rail itself.
     */
    keepBottomLine?: boolean;
}
export declare const LineChartGrid: FC<LineChartGridProps>;