export declare function useVectorSourceHost(): import("ngx-ol-library/layer/vector").NolVectorLayerComponent | import("ngx-ol-library/layer/vector-image").NolVectorImageLayerComponent | import("ngx-ol-library/layer/heatmap").NolHeatmapLayerComponent | import("ngx-ol-library/source/cluster").NolClusterSourceComponent;