import { GeoGeometryObjects, GeoPermissibleObjects } from 'd3';
import { DataBase } from '../../data';
import { DrawerData, LayerBasemapScale, LayerBasemapStyle, LayerOptions, LayerStyle, RectDrawerProps, TextDrawerProps } from '../../types';
import { LayerBase } from '../base';
type Key = 'block' | 'background' | 'text';
type GeoFeature = {
    type: 'Feature';
    properties: AnyObject;
    geometry: GeoGeometryObjects;
};
export declare class LayerBasemap extends LayerBase<Key> {
    private _data;
    private _scale;
    private _style;
    private path;
    private fetchTimeout;
    private parentCode;
    private chinaBlocks;
    protected textData: DrawerData<TextDrawerProps>[];
    protected backgroundData: DrawerData<RectDrawerProps>[];
    protected blockData: {
        properties: AnyObject;
        geometry: GeoPermissibleObjects;
    }[];
    get scale(): LayerBasemapScale;
    get data(): Maybe<DataBase<number | {
        type: "FeatureCollection";
        features: GeoFeature[];
    }, Partial<{
        order: import("../../types").LegendCache;
    }>>>;
    get style(): LayerBasemapStyle;
    constructor(options: LayerOptions);
    setData(data: LayerBasemap['data']): void;
    setScale(scale: LayerBasemapScale): void;
    setStyle(style: LayerStyle<LayerBasemapStyle>): void;
    update(): void;
    private fetchOnlineData;
    draw(): void;
}
export {};