import type { DataRows } from '../../types';
import type { BasicDataPropertyForAdvice } from '../../ruler';
import type { CustomizedCKBJSON } from '../ckb-config';
/**
 * Convert chartType + data to antv-spec
 * recommend chart with specific data mapping
 *
 * @param chartType chart type
 * @param data input data [ { col1: ..., col2: ... } ]
 * @param dataProps data property for advisor derived by data-wizard
 * @param chartKnowledge chart knowledge of a singble chart
 * @returns spec or null
 */
export declare function getChartTypeSpec(chartType: string, data: DataRows, dataProps: BasicDataPropertyForAdvice[], chartKnowledge?: CustomizedCKBJSON): import("@antv/antv-spec").AntVSpec;