import { GeoJsonBbox, GeoJsonMultiPolygon, GeoJsonPoint, GeoJsonPolygon, GeoJsonPosition, GeoJsonPosition2d } from "./GeoJsonSchemas";
/**
 * @description Converts a GeoJSON position (which may have altitude) to a 2D position.
 */
export declare const toPosition2d: (position: GeoJsonPosition) => GeoJsonPosition2d;
export interface TuCoordinate {
    longitude: number;
    latitude: number;
}
export interface TuBoundingBox {
    nw: TuCoordinate;
    se: TuCoordinate;
}
/**
 * @description Creates a TU bounding box from a GeoJson Polygon.
 * Handles cases where the polygon crosses the 180/-180 meridian.
 */
export declare const getBoundingBoxFromGeoJsonPolygon: (polygon: GeoJsonPolygon | GeoJsonMultiPolygon) => TuBoundingBox | null;
/**
 * @description Creates a GeoJSON Polygon or MultiPolygon from a TU bounding box.
 * Returns a MultiPolygon when the bounding box crosses the 180/-180 meridian,
 * with one polygon per hemisphere.
 *
 * Returns a 2D-only coordinate type since bounding boxes have no altitude.
 * The return type is assignable to both GeoJsonPolygon | GeoJsonMultiPolygon
 * (for GeoJSON consumers) and GraphQL AreaInput (for query variables).
 */
export declare const getGeoJsonPolygonFromBoundingBox: (boundingBox: TuBoundingBox) => {
    type: "MultiPolygon";
    coordinates: Array<Array<Array<GeoJsonPosition2d>>>;
} | {
    type: "Polygon";
    coordinates: Array<Array<GeoJsonPosition2d>>;
};
/**
 * @description Creates TU point coordinate from a GeoJSON Point.
 */
export declare const getPointCoordinateFromGeoJsonPoint: (point: GeoJsonPoint) => TuCoordinate;
/**
 * @description Creates a TU bounding box from a GeoJSON Bbox.
 */
export declare const getBoundingBoxFromGeoJsonBbox: (bbox: GeoJsonBbox) => TuBoundingBox;