import { type FC, type HTMLAttributes, type Ref } from 'react';
export interface LineChartLegendItemProps extends HTMLAttributes<HTMLDivElement> {
    ref?: Ref<HTMLDivElement>;
    /** Joins to `LineChartSeries.key`. Drives hover sync, dim, and `aria-current`. */
    seriesKey: string;
    /**
     * Explicit selection state. When omitted, falls back to "not in `filteredKeys`".
     * `true` = row is on (line drawn); `false` = row is off (line hidden, dimmed).
     * Passing this prop fully overrides the context — useful when the legend
     * renders rows that are not part of the chart's filter set.
     */
    selected?: boolean;
}
export declare const LineChartLegendItem: FC<LineChartLegendItemProps>;