import type { GeoJSONSourceSpecification, LayerSpecification } from 'maplibre-gl';
import MapPreviewer from './map';
import type { PreviewStyleLayer } from '../layers';
import LocationResource from '../resources/location';
import type OgmRecord from '../record';
type AddGeoJsonSourceObject = GeoJSONSourceSpecification & {
    id: string;
};
export declare const FILL_OPACITY = 0.2;
/**
 * A record's extent, drawn as a frame rather than as data. What goes on the map when the data itself
 * can't: see LocationResource.
 *
 * Deliberately the plainest previewer here. It has one shape, no features worth naming, and no
 * server behind it, so there is nothing to inspect, nothing to fail, and no reason to hold the map
 * flat - a location reads on a globe as well as anywhere.
 */
export default class LocationPreviewer extends MapPreviewer {
    protected resource: LocationResource;
    readonly inspectable = false;
    protected getSourceId(): string;
    protected createSources(): Promise<AddGeoJsonSourceObject[]>;
    protected createLayers(): Promise<LayerSpecification[]>;
    protected applyOpacity(styleLayer: PreviewStyleLayer, opacity: number): void;
    private createFillLayer;
    private createOutlineLayer;
}
export declare const locationFor: (record: OgmRecord) => LocationPreviewer | undefined;
export declare const locationsFor: (records: OgmRecord[]) => (LocationPreviewer | undefined)[];
export {};