import type { LineChartProps, LineChartSeries } from '../LineChart/types';
export interface SeriesPoint {
    /** X-axis value */
    x: number;
    /** Y-axis value */
    y: number;
}
export interface StackedAreaSeries {
    /** Series name */
    name: string;
    /** Series color */
    color: string;
    /** Array of data points */
    data: SeriesPoint[];
    /** Optional visibility toggle */
    visible?: boolean;
}
/**
 * Props for {@link StackedAreaChart}. Extends {@link LineChartProps} (minus the
 * single-series `data`/`fill`/`smooth` fields it replaces) so it inherits the
 * axes, grid, legend, tooltip, crosshair, scale-type and interaction props, plus
 * the stacking-specific options below. This is the single source of truth — the
 * component consumes this exact interface.
 */
export interface StackedAreaChartProps extends Omit<LineChartProps, 'data' | 'fill' | 'smooth'> {
    /** Data series to stack */
    series: LineChartSeries[];
    /** Order layers are stacked in */
    stackOrder?: 'normal' | 'reverse';
    /** Smooth (curved) area tops */
    smooth?: boolean;
    /** Base opacity for the stacked layers */
    opacity?: number;
    /** Stack values as absolute totals or normalized to 100% */
    stackMode?: 'absolute' | 'percentage';
}
export type SimpleStackedAreaChartProps = StackedAreaChartProps;