import { ILayerExtension, ILayerExtensionType } from '../classes/ilayer-extension';
import { IMapLayer } from '../classes/imap-layer';
export interface IOverpassExtensionOptions {
    amenity?: string;
    url?: string;
    iconUrl?: string;
}
export declare const DEFAULT_OVERPASS_URL = "http://overpass.openstreetmap.fr/api/interpreter";
export declare const DEFAULT_ICON_URL = "https://raw.githubusercontent.com/rinzeb/osm-icons/master/png/osm{{AMENITY}}.png";
export declare class OverpassExtension implements ILayerExtension, ILayerExtensionType, IOverpassExtensionOptions {
    id: string;
    amenity?: string;
    url?: string;
    iconUrl?: string;
    title?: string | undefined;
    private _query?;
    private _handle?;
    private _layer?;
    private _originalFeatures?;
    private mapMoved;
    constructor(init?: Partial<ILayerExtension>);
    getInstance(init?: Partial<ILayerExtension>): OverpassExtension;
    start(layer: IMapLayer): void;
    stop(): void;
    private restoreOriginalFeatures;
    private onMove;
    private addIcon;
    private subscribeToMapEvents;
    private getQuery;
    private getQueryThrottled;
    private query;
}