import { ISingleEventParams, IMetric, IBucket } from '../../constants/action-event';
import { TChartFieldDataItem, IChartField } from '@qn-pandora/app-sdk';
import ChartDrillDownService from './base-chart-drill';
/**
 * 单值图的DrillDown Service
 */
export default class SingleChartDrillDownService extends ChartDrillDownService<ISingleEventParams> {
    toSearchAutoEvent(params: ISingleEventParams): {
        buckets: IBucket[];
        metrics?: IMetric[] | undefined;
    };
    getBucketsViaRow(row: TChartFieldDataItem[], currentBuckets: IChartField[], fields: IChartField[]): IBucket[];
    toDrillDownToken(params: ISingleEventParams): {
        row: IKeyValues<any>;
        click: {
            name: string;
            value: any;
            name1: string;
            value1: any;
        };
    };
}