import { PlotMarkerAnnotation, PlotSeries } from '@axicharts/charts-canvas';

type MarkerDragEndEvent = {
    marker: PlotMarkerAnnotation;
    x?: number | string;
    y: number;
    categoryIndex: number | null;
};

type ChartCategoryInput<TMeta = unknown> = string | {
    label: string;
    meta?: TMeta;
};
type ChartSeriesInput<TSeriesMeta = unknown> = PlotSeries & {
    meta?: TSeriesMeta;
};
type NormalizedChartCategories<TMeta = unknown> = {
    labels: string[];
    meta: (TMeta | undefined)[];
};
declare function normalizeChartCategories<TMeta = unknown>(categories: ChartCategoryInput<TMeta>[] | undefined): NormalizedChartCategories<TMeta>;
type ChartPointerEvent<TMeta = unknown> = {
    /** Category label as passed in `categories` */
    category: string;
    /** Index into categories / series data — primary key for filters */
    categoryIndex: number;
    /** Nearest series on hit; null for category-band click */
    seriesName: string | null;
    seriesIndex: number | null;
    /** Value at category when series is resolved */
    value: number | null;
    /** Category meta, or merged `{ ...categoryMeta, ...seriesMeta }` when series hit */
    meta?: TMeta;
    nativeEvent: globalThis.Event;
};
declare function buildChartPointerEvent<TMeta = unknown>({ categoryIndex, labels, categoryMeta, series, seriesIndex, nativeEvent, }: {
    categoryIndex: number;
    labels: string[];
    categoryMeta: (TMeta | undefined)[];
    series: ChartSeriesInput[];
    seriesIndex: number | null;
    nativeEvent: globalThis.Event;
}): ChartPointerEvent<TMeta>;

type CartesianPointerChartProps<TMeta = unknown> = {
    categories?: ChartCategoryInput<TMeta>[];
    series?: ChartSeriesInput[];
    selectedCategoryIndex?: number;
    onCategoryClick?: (event: ChartPointerEvent<TMeta>) => void;
    onSeriesClick?: (event: ChartPointerEvent<TMeta>) => void;
};
declare function isFlatZeroSeries(series: ChartSeriesInput[]): boolean;

export { type ChartSeriesInput as C, type MarkerDragEndEvent as M, type ChartPointerEvent as a, type CartesianPointerChartProps as b, type ChartCategoryInput as c, buildChartPointerEvent as d, isFlatZeroSeries as i, normalizeChartCategories as n };