import { Cartesian3, Viewer, Entity } from 'cesium';
import { DataCenter, VoidCallbackFn, DelConfirmFn } from './DataCenter.ts';
export type EditBillboardFn = (cartesian: Cartesian3, entity: Entity) => void;
export type EntityCallbackFn = (cartesian: Cartesian3) => Entity;
export type PointOptions = {
    addPointFun?: EntityCallbackFn;
    afterAddPointFun?: VoidCallbackFn;
    editPointFun?: EditBillboardFn;
    delConfirmFun?: DelConfirmFn;
} | null;
export declare class PointDrawer extends DataCenter {
    private handler;
    private pointCollection;
    private editPointFun;
    private addPointFun;
    constructor(viewer: Viewer, options?: PointOptions);
    start(): void;
    getEntities(): EntityCollection;
    clearAll(): void;
    private point_L_ClickEvent;
    private point_L_DownEvent;
    private point_L_UpEvent;
    private point_moveEvent;
    private addBillboardCallback;
    private deleteBillboard;
}