import { Chart as ChartJS } from 'chart.js';
import type { ActiveElement, ChartType, Plugin } from 'chart.js';
export interface CenterLabel {
    label: string;
    bold?: boolean;
}
export interface Selected {
    datasetIndex?: number;
    index: number;
}
export interface CenterLabelConfig {
    defaultText: CenterLabel[];
    selected: Selected;
    onRenderLabel(chart: ChartJS, chartItems: ActiveElement[]): CenterLabel[] | undefined;
}
declare module 'chart.js' {
    interface PluginOptionsByType<TType extends ChartType = ChartType> {
        centerLabel?: CenterLabelConfig;
    }
}
declare const plugins: Plugin;
export { plugins as doughnutCenterLabelPlugin };