import EventEmitter from 'eventemitter3';
import { SourceEvent } from '../constant';
import { LayerRender } from '../render';
import { FeatureUpdater, IBaseFeature, IRenderType, RenderMap, SourceData, SourceOptions } from '../typings';
import { History } from './history';
import { Scene } from '@antv/l7';
export declare class Source extends EventEmitter<SourceEvent | keyof typeof SourceEvent> {
    protected scene: Scene;
    /**
     * 用于存储渲染器render映射
     * @protected
     */
    protected render: RenderMap;
    /**
     * 用于存储当前最新数据
     * @protected
     */
    protected data: SourceData;
    /**
     * 存储当前延迟更新函数的timeout
     * @protected
     */
    protected timeout: number | null;
    /**
     * 用于需要待更新的renderType以及对应的最新数据
     * @protected
     */
    protected diffData: Partial<SourceData>;
    protected enableBBox: boolean;
    protected featureType: 'point' | 'line' | 'polygon';
    /**
     *
     * @protected
     */
    protected history?: History;
    constructor({ data, render, history: historyConfig, scene, bbox, }: SourceOptions);
    saveHistory(): SourceData | undefined;
    revertHistory(): SourceData | undefined;
    redoHistory(): SourceData | undefined;
    /**
     * 更新数据的方法，新的数据会累积延迟更新
     * @param data
     */
    setData(data: Partial<SourceData>): SourceData;
    /**
     * 获取全量source数据
     */
    getData(): SourceData;
    /**
     * 获取单项source数据
     * @param renderType
     */
    getRenderData<F extends IBaseFeature>(renderType: IRenderType): F[];
    /**
     * 设置单项
     * @param renderType
     * @param updater
     */
    setRenderData<F extends IBaseFeature>(renderType: IRenderType, updater: FeatureUpdater<F>): F[];
    /**
     * 根据当前diffData中积累的数据更新对应render
     */
    updateDiffData(): void;
    /**
     * 获取对应renderType类型的render实例，如果没有获取到则代表
     * @param type
     */
    getRender<R extends LayerRender = LayerRender>(type: IRenderType): R | undefined;
    /**
     * 清空所有数据
     */
    clear(): void;
}