import Overlay from "../Overlay";
import Position from "../../position/Position";
import { T_Position } from "../../common/type";
/**
 * 线
 * @noInheritDoc
 * @example
 * ```ts
 * let polyline = new BC.Polyline('120,20;120,30')
 * polyline.setStyle({
 *   width: 10,
 * })
 * ```
 */
declare class Polyline extends Overlay {
    private _positions;
    /**
     *
     * @param positions 坐标串
     */
    constructor(positions: string | T_Position[]);
    get type(): any;
    set positions(positions: string | T_Position[]);
    get positions(): string | T_Position[];
    get center(): Position;
    get distance(): number;
    _mountedHook(): void;
    /**
     * Sets Text
     * @param text
     * @param textStyle
     * @returns {Polyline}
     */
    setLabel(text: string, textStyle: any): this;
    /**
     * 设置风格
     * @param style
     * @returns {Polyline}
     * @example
     * ```json
     * // 样式参数(可选)
     * {
     *   "width": 1, //线宽
     *   "material": BC.Color.WHITE, //材质
     *   "clampToGround": false, //是否贴地
     *   "shadows": 0, //阴影类型，0：禁用、1：启用 、2：投射、3：接受
     *   "distanceDisplayCondition": {
     *     "near": 0, //最近距离
     *     "far": Number.MAX_VALUE //最远距离
     *   }, //根据距离设置可见
     *   "classificationType": 2, //分类 是否影响地形，3D切片或同时影响这两者。0:地形、1:3D切片、2：两者
     *   "zIndex": 0 //层级
     * }
     * ```
     */
    setStyle(style: any): this;
    /**
     * Entity 转换为 Overlay
     * @param entity
     * @returns {Polyline}
     */
    static fromEntity(entity: Cesium.Entity): Polyline | undefined;
}
export default Polyline;