import { IgcRingSeriesBaseComponent } from './igc-ring-series-base-component';
import { TemplateFunction } from "igniteui-webcomponents-core";
export declare class IgcDoughnutChartDefaultTooltipsComponent {
    doughnutSliceTooltip: TemplateFunction;
    constructor();
    ensureDefaultTooltip(series: IgcRingSeriesBaseComponent): void;
    getSliceLabel(series: any, item: any): any;
    getValue(series: any, item: any): any;
    getValueMemberPath(series: any): any;
    getBrush(i: any): any;
    static register(): void;
    onContentReady: () => void;
    afterContentInit(): void;
}