import { Destroyable } from 'vtxf-xe2/dist-node/xe2-base-utils';
import { CzmViewer } from 'vtxf-xe2/dist-node/xe2-cesium-objects';
import { CzmContour } from './CzmContour';
export declare class CzmContourComputing extends Destroyable {
    private _sceneObject;
    private _czmViewer;
    get sceneObject(): CzmContour;
    get czmViewer(): CzmViewer;
    private _positionsDirty;
    private _cellWidthComputeFuncDirty;
    private _breaksComputeFuncDirty;
    private _dirtyInit;
    private _computing;
    private _computingInit;
    constructor(_sceneObject: CzmContour, _czmViewer: CzmViewer);
}