import View from '../chart/view';
import { DIRECTION } from '../constant';
import { Attribute } from '../dependents';
import Geometry from '../geometry/base';
import { LegendItem } from '../interface';
/**
 * @ignore
 * get the legend layout from direction
 * @param direction
 * @returns layout 'horizontal' | 'vertical'
 */
export declare function getLegendLayout(direction: DIRECTION): 'vertical' | 'horizontal';
/**
 * @ignore
 * get the legend items
 * @param view
 * @param geometry
 * @param attr
 * @param themeMarker
 * @param userMarker
 * @returns legend items
 */
export declare function getLegendItems(view: View, geometry: Geometry, attr: Attribute, themeMarker: object, userMarker: any): any[];
/**
 * @ignore
 * custom legend 的 items 获取
 * @param themeMarker
 * @param userMarker
 * @param customItems
 */
export declare function getCustomLegendItems(themeMarker: object, userMarker: object, customItems: LegendItem[]): LegendItem[];