export declare enum VChartType {
    donut = "donut",
    combo = "combo",
    horizontal = "horizontal-bar",
    scale = "scale-bar",
    sparkline = "sparkline",
    treemap = "treemap",
    radialProgress = "radial-progress"
}
export interface ChartSegment {
    label: string;
    count: number;
    color: string;
    icon?: any;
}
export interface ComboSeriesConfig {
    type: 'bar' | 'line';
    color: string;
    axis?: 'left' | 'right';
}
export interface ScaleBarSide {
    label?: string;
    value: number;
}
export interface DonutChartProps {
    type: VChartType.donut;
    segments: ChartSegment[];
    size?: number;
    labels?: boolean;
}
export interface HorizontalBarChartProps {
    type: VChartType.horizontal;
    segments: ChartSegment[];
    showAxis?: boolean;
}
export interface ComboChartProps {
    type: VChartType.combo;
    data: Record<string, number | string>[];
    seriesConfig: Record<string, ComboSeriesConfig>;
    categoryKey: string;
    width?: number;
    height?: number;
    padding?: {
        top: number;
        right: number;
        bottom: number;
        left: number;
    };
}
export interface ComboDataPoint {
    [key: string]: number | string;
}
export interface ComboChartPadding {
    top: number;
    right: number;
    bottom: number;
    left: number;
}
export interface ScaleBarChartProps {
    type: VChartType.scale;
    left: ScaleBarSide;
    right: ScaleBarSide;
    wrapperClass?: string;
}
export interface SparklineDataPoint {
    label: string;
    primary: number;
    secondary?: number;
}
export interface SparklineSeries {
    key: 'primary' | 'secondary';
    label: string;
    color: string;
    format?: (v: number) => string;
}
export interface SparklineChartProps {
    type: VChartType.sparkline;
    points: SparklineDataPoint[];
    series: SparklineSeries[];
    height?: number;
    /** Show area fill under the primary line */
    area?: boolean;
}
export interface TreemapNode {
    id: string;
    label: string;
    value: number;
    color: string;
    /** Optional group label shown as a parent tile header */
    group?: string;
}
export interface TreemapChartProps {
    type: VChartType.treemap;
    nodes: TreemapNode[];
    /** Format value for tooltip/label, e.g. (v) => `$${v.toFixed(2)}` */
    format?: (v: number) => string;
    height?: number;
}
export interface RadialProgressChartProps {
    type: VChartType.radialProgress;
    /** 0–100 */
    value: number;
    label?: string;
    sublabel?: string;
    color?: string;
    trackColor?: string;
    size?: number;
    strokeWidth?: number;
}
export type VChartProps = DonutChartProps | HorizontalBarChartProps | ComboChartProps | ScaleBarChartProps | SparklineChartProps | TreemapChartProps | RadialProgressChartProps;
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