import { GeoJsonDataSource } from 'cesium';
import { FeatureCollection } from 'geojson';
import { __VumViewer } from 'vuesium';
import { LoadEvent } from '../types';
export declare function useDataSourceLoad(viewer: __VumViewer.VumViewer, dataSource: GeoJsonDataSource, { props, emit }: {
    props: {
        modelValue: FeatureCollection | Promise<FeatureCollection> | null;
        loadOptions?: GeoJsonDataSource.LoadOptions;
        multiMark: boolean;
    };
    emit: (e: 'load', p: LoadEvent) => void;
}): void;