import { IRoamTool, PathRoamOptions } from './types';
export declare class PathRoamTool implements IRoamTool {
    private Cesium;
    private viewer;
    private entity;
    private positionProperty;
    private startTime;
    private stopTime;
    private options;
    private cameraOffset;
    constructor({ Cesium, viewer }: {
        Cesium: any;
        viewer: any;
    });
    get Viewer(): any;
    get CesiumInstance(): any;
    start(options: PathRoamOptions): void;
    stop(): void;
    clear(): void;
    private normalizePositions;
    private buildTimes;
    private onTick;
}