/**
 * DataLabelsPlugin - uPlot plugin for rendering data value labels on line charts
 *
 * Supports three modes:
 * - 'off': No labels displayed
 * - 'all': Labels displayed for all data points
 * - 'minmax': Labels displayed only for minimum and maximum values per series
 */
import type uPlot from 'uplot';
import type { VizTheme } from './theme';
export type DataLabelsMode = 'off' | 'all' | 'minmax';
export interface DataLabelsConfig {
    mode: DataLabelsMode;
    theme: VizTheme;
    /**
     * Hidden series indices (series that should not display labels)
     */
    hiddenSeries?: Set<number>;
}
/**
 * Creates a uPlot plugin that renders data value labels on the chart
 */
export declare const createDataLabelsPlugin: (config: DataLabelsConfig) => uPlot.Plugin;