import type { GeoJsonGeometry, GeoJsonPosition } from "@trackunit/geo-json-utils";
/**
 * Describes a single part of a multi-geometry: its representative position
 * (polygon corner / line joint / multipoint coordinate) and bounds.
 */
export type PartInfo = Readonly<{
    position: GeoJsonPosition;
    minLng: number;
    maxLng: number;
    minLat: number;
    maxLat: number;
}>;
/**
 * Decompose a multi-geometry into per-part info (position + bounds).
 *
 * Returns `null` for single geometries (Polygon, LineString, Point) or
 * multi-geometries that contain only one part. Only returns a non-null
 * array when the geometry genuinely has multiple parts.
 *
 * - MultiPolygon -> southwesternmost outer-ring vertex and bounds of each polygon
 * - MultiLineString -> a joint vertex on each line (`floor(n/2)`; two-point lines: first endpoint)
 * - MultiPoint -> the point itself with degenerate bounds
 * - GeometryCollection -> flattens recursively
 */
export declare const extractMultiParts: (geometry: GeoJsonGeometry) => ReadonlyArray<PartInfo> | null;