interface Config {
    distance: number;
    map: L.Map;
}
export default class GridLayer {
    private distance;
    private map;
    private gridLayer1;
    private gridLayer2;
    private gridLayer3;
    private minlat;
    private maxlat;
    private minlng;
    private maxlng;
    private zoomLevelBestMeter;
    private latlngList;
    private customMeterLatlngList;
    constructor(config: Config);
    clear(): void;
    getPolygonByPoint(point2: string[]): any[][];
    private zoomCb;
    private getNear;
    private getZoomMeterList;
    private getNextPointByDistance;
    private showGlobalGrid;
    private showGridLayerByZoom;
    private getLatlngList;
    private binary_search;
}
export {};