import { IMeasure, MeasurementOptions, MeasurementRecord } from '../types';
import { HtmlOverlayLabelPool } from '../../HtmlOverlayLabelPool';
export default class HorizontalMeasure implements IMeasure {
    private static readonly TIP_TEXT;
    private Cesium;
    private viewer;
    private handler;
    private positions;
    private tempPoints;
    private segmentEntities;
    private segmentLabelIds;
    private previewEntity;
    private previewGroundEntity;
    private hoverPos;
    private htmlLabelPool;
    private totalLabelId;
    private previewLabelId;
    private labelEntity;
    private firstHeight;
    private groundLineEntities;
    private previewPos;
    private previewGroundPos;
    private tooltip;
    private moveFrameId;
    private pendingMove;
    private lastMoveKey;
    private keydownHandler;
    private contextMenuHandler;
    constructor(Cesium: any, viewer: any);
    start(options: MeasurementOptions): void;
    private _handlePreviewMove;
    private _clearPreviewState;
    private _undoLastPoint;
    private _finishMeasurement;
    private _bindGlobalEvents;
    stop(): void;
    clear(): void;
    rehydrate(record: MeasurementRecord, htmlLabelPool?: HtmlOverlayLabelPool): void;
}