import { ChartAnnotation, ChartSettings, EntityType, QueryReturn } from '@metad/ocap-core';
import { EChartsContext, EChartsOptions } from './types';
/**
 * Calculate funnel chart echarts options
 *
 * @param data
 * @param chartAnnotation
 * @param entityType
 * @param settings
 * @param options
 * @returns
 */
export declare function Funnel(data: QueryReturn<unknown>, chartAnnotation: ChartAnnotation, entityType: EntityType, settings: ChartSettings, options: EChartsOptions): EChartsContext;