import type { IAreaSeriesSpec, IMarkLineSpec, IMarkPointSpec, TrendAreaProps } from './types';
interface Params {
    xField?: string;
    yField?: string;
}
export declare function getDefaultTooltip(params?: Params): import("@visactor/vchart").ITooltipSpec;
export declare function getReferenceSerie(params?: Params): IAreaSeriesSpec;
export declare function getMarkLineItem(opts: IMarkLineSpec): IMarkLineSpec;
export declare function getMarkLineLabel(): import("@visactor/vchart/esm/component/marker/interface").IMarkerLabelSpec | import("@visactor/vchart/esm/component/marker/mark-line").IMarkLineLabel;
export declare function getMarkPoint(opts?: Partial<IMarkPointSpec>): IMarkPointSpec;
interface GetReferenceDataProps {
    data: TrendAreaProps['data'];
    xField: string;
    yField: string;
}
/**
 * 获取参考数据，根据默认值及真实值最大值计算比例
 * @param props
 */
export declare function getReferenceData(props: GetReferenceDataProps): {
    [x: string]: number;
}[];
export {};