import { Application } from 'phosphide/lib/core/application';
import { DocumentRegistry } from '../docregistry';
import 'leaflet/dist/leaflet.css';
/**
 * The geojson file handler extension.
 */
export declare const mapHandlerExtension: {
    id: string;
    requires: typeof DocumentRegistry[];
    activate: (app: Application, registry: DocumentRegistry) => void;
};