import { LayerJSONType } from '../Layer';
import TileLayer, { TileLayerOptionsType } from './TileLayer';
/**
 * @classdesc
 * Used to display [WMS]{https://en.wikipedia.org/wiki/Web_Map_Service} services as tile layers on the map. Extends [TileLayer]{@link TileLayer}.
 * Implemented based on Leaflet's TileLayer.WMS.
 * @category layer
 * @extends TileLayer
 * @param id - tile layer's id
 * @param - options defined in [WMSTileLayer]{@link TileLayer#options}
 * @example
 * var layer = new maptalks.WMSTileLayer('wms', {
 *     'urlTemplate' : 'https://demo.boundlessgeo.com/geoserver/ows',
 *     'crs' : 'EPSG:3857',
 *     'layers' : 'ne:ne',
 *     'styles' : '',
 *     'version' : '1.3.0',
 *     'format': 'image/png',
 *     'transparent' : true,
 *     'uppercase' : true
 * });
 */
declare class WMSTileLayer extends TileLayer {
    wmsParams: WMSTileLayerOptionsType;
    options: WMSTileLayerOptionsType;
    constructor(id: string, options: WMSTileLayerOptionsType);
    onAdd(): void;
    getTileUrl(x: number, y: number, z: number): string;
    /**
     * Export the WMSTileLayer's json. <br>
     * It can be used to reproduce the instance by [fromJSON]{@link Layer#fromJSON} method
     * @return layer's JSON
     */
    toJSON(): LayerJSONType;
    /**
     * Reproduce a WMSTileLayer from layer's JSON.
     * @param layerJSON - layer's JSON
     * @return a WMSTileLayer instance
     * @static
     * @private
     * @function
     */
    static fromJSON(layerJSON: {
        [x: string]: any;
    }): WMSTileLayer;
}
export default WMSTileLayer;
export declare function getParamString(obj: Record<string, string>, existingUrl: string, uppercase: boolean): string;
export type WMSTileLayerOptionsType = TileLayerOptionsType & {
    service?: string;
    layers?: string;
    styles?: string;
    format?: string;
    transparent?: boolean;
    version?: string;
    crs?: string;
    uppercase?: boolean;
    detectRetina?: boolean;
    width?: number;
    height?: number;
};
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