import { TileLayer } from './TileLayer.js';
import type { Coords, Defaults, TileLayerEventMap, WMSParams, WMSTileLayerDefaults, WMSTileLayerOptions } from '../../types.js';
import type { CRS } from '../../geo/crs/CRS.js';
import type { LeafletMap } from '../../map/Map.js';
/** @import {Coords, Defaults, TileLayerEventMap, TileLayerOptions, WMSParams, WMSTileLayerDefaults,
 *    WMSTileLayerOptions} from '../../types.js' */
/** @import {CRS} from '../../geo/crs/CRS.js' */
/** @import {LeafletMap} from '../../map/Map.js' */
declare const defaultWmsParams: {
    service: string;
    request: string;
    /** **(required)** Comma-separated list of WMS layers to show. */
    layers: string;
    /** Comma-separated list of WMS styles. */
    styles: string;
    /** WMS image format (use `'image/png'` for layers with transparency). */
    format: string;
    /** If `true`, the WMS service will return images with transparency. */
    transparent: boolean;
    /** Version of the WMS service to use */
    version: string;
};
export type WMSParamsDefaults = typeof defaultWmsParams;
/** @typedef {typeof defaultWmsParams} WMSParamsDefaults */
declare const defaultOptions: {
    /**
     * Coordinate Reference System to use for the WMS requests, defaults
     * to map CRS. Don't change this if you're not sure what it means.
     * @type {typeof CRS | null}
     */
    crs: typeof CRS | null;
    /** If `true`, WMS request parameter keys will be uppercase. */
    uppercase: boolean;
};
export type WMSTileLayerDefaultsValues = typeof defaultOptions;
/** @typedef {typeof defaultOptions} WMSTileLayerDefaultsValues */
/**
 * Used to display [WMS](https://en.wikipedia.org/wiki/Web_Map_Service)
 * services as tile layers on the map. Extends `TileLayer`.
 *
 * If any custom options not documented here are used, they will be sent to the WMS server as extra
 * parameters in each request URL. This can be useful for [non-standard vendor WMS
 * parameters](https://docs.geoserver.org/stable/en/user/services/wms/vendor.html).
 * @example
 * ```js
 * const nexrad = new WMSTileLayer("http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi", {
 * 	layers: 'nexrad-n0r-900913',
 * 	format: 'image/png',
 * 	transparent: true,
 * 	attribution: "Weather data © 2012 IEM Nexrad"
 * });
 * ```
 * @template {WMSTileLayerOptions} [O=WMSTileLayerOptions]
 * @template {TileLayerEventMap} [E=TileLayerEventMap]
 * @extends {TileLayer<O & WMSTileLayerDefaults, E>}
 */
export declare class WMSTileLayer<O extends WMSTileLayerOptions = WMSTileLayerOptions, E extends TileLayerEventMap = TileLayerEventMap> extends TileLayer<O & WMSTileLayerDefaults, E> {
    /** The WMS request parameters. */
    wmsParams: WMSParams;
    /** @type {typeof CRS} */
    _crs: typeof CRS;
    /** @type {number} */
    _wmsVersion: number;
    static initHooks: boolean;
    static defaultWmsParams: {
        service: string;
        request: string;
        /** **(required)** Comma-separated list of WMS layers to show. */
        layers: string;
        /** Comma-separated list of WMS styles. */
        styles: string;
        /** WMS image format (use `'image/png'` for layers with transparency). */
        format: string;
        /** If `true`, the WMS service will return images with transparency. */
        transparent: boolean;
        /** Version of the WMS service to use */
        version: string;
    };
    /** @type {Defaults<WMSTileLayerOptions>} */
    static defaultOptions: Defaults<WMSTileLayerOptions>;
    /**
     * Instantiates a WMS tile layer object given a base URL of the WMS service and a WMS parameters/options object.
     * @param {string} url
     * @param {NoInfer<Partial<O>>} options
     */
    constructor(url: string, options: NoInfer<Partial<O>>);
    /** @param {LeafletMap} map */
    onAdd(map: LeafletMap): void;
    _updateCrsParam(): void;
    /** @param {Coords} coords */
    getTileUrl(coords: Coords): string;
    /**
     * Merges an object with the new parameters and re-requests tiles
     * on the current screen (unless `noRedraw` was set to true).
     * @param {Partial<WMSParams>} params
     * @param {boolean} [noRedraw]
     */
    setParams(params: Partial<WMSParams>, noRedraw?: boolean): this;
}
export {};