import type { ChartCapability } from "../../ai/chartCapabilityTypes";
/**
 * AreaChart is treated as a strictly single-series chart. Multi-series areas
 * are an occlusion nightmare — when the data has 2+ series we subselect the
 * leading series (largest cumulative y) and surface a caveat so the reader
 * knows they're looking at one slice, not the whole dataset. For full multi-
 * series comparison the engine routes callers to LineChart; for two-series
 * comparison, to DifferenceChart.
 */
export declare const AreaChartCapability: ChartCapability;
