declare class DoubleArrowGraphics {
    _positions: any;
    headHeightFactor: number;
    headWidthFactor: number;
    neckHeightFactor: number;
    neckWidthFactor: number;
    constructor(options?: any);
    set positions(positions: any);
    get positions(): any;
    get hierarchy(): Cesium.PolygonHierarchy;
    _getArrowPoints(pnt1: any, pnt2: any, pnt3: any, clockWise: any): any[];
    _getArrowHeadPoints(points: any): any[];
    protected _getArrowBodyPoints(points: any, neckLeft: any, neckRight: any, tailWidthFactor: any): any[];
    _getTempPoint4(linePnt1: any, linePnt2: any, point: any): any;
    _createHierarchy(): Cesium.PolygonHierarchy;
}
export default DoubleArrowGraphics;