import { SpatialGeometry } from './utils';
import { DistanceUnit } from '@geoda/common';
/**
 * Get the area of the geometry
 *
 * @example
 * ```ts
 * const geoms = [
 *   {
 *     type: 'Feature',
 *     geometry: { type: 'Polygon', coordinates: [[[0, 0], [1, 0], [1, 1], [0, 1], [0, 0]]] },
 *     properties: { index: 0 },
 *   },
 * ];
 * const area = await getArea(geoms, DistanceUnit.KM);
 * ```
 *
 * @param geoms - The geometry to get the area of
 * @param distanceUnit - The unit of the distance
 * @returns The area of the geometry
 */
export declare function getArea(geoms: SpatialGeometry, distanceUnit: DistanceUnit): Promise<number[]>;
/**
 * Get the length of the geometry
 *
 * @example
 * ```ts
 * const geoms = [
 *   { type: 'Feature', geometry: { type: 'LineString', coordinates: [[0, 0], [1, 0], [1, 1], [0, 1], [0, 0]] }, properties: { index: 0 } },
 * ];
 * const length = await getLength(geoms, DistanceUnit.KM);
 * ```
 */
export declare function getLength(geoms: SpatialGeometry, distanceUnit: DistanceUnit): Promise<number[]>;
/**
 * Get the perimeter of the geometry
 *
 * @example
 * ```ts
 * const geoms = [
 *   { type: 'Feature', geometry: { type: 'Polygon', coordinates: [[[0, 0], [1, 0], [1, 1], [0, 1], [0, 0]]] }, properties: { index: 0 } },
 * ];
 * const perimeter = await getPerimeter(geoms, DistanceUnit.KM);
 * ```
 */
export declare function getPerimeter(geoms: SpatialGeometry, distanceUnit: DistanceUnit): Promise<number[]>;