/**
 * Calculates planar distance between 2D geometries.
 *
 * ![Distance operator](https://developers.arcgis.com/javascript/latest/assets/references/core/operators/distance.avif "Distance operator")
 *
 * @since 4.31
 * @see [Blog - Geodesic or planar: which to use for distance analysis](https://www.esri.com/arcgis-blog/products/arcgis-pro/analytics/geodesic-or-planar-which-to-use-for-distance-analysis)
 */
import type { LengthUnit } from "../../core/units.js";
import type { GeometryUnion } from "../types.js";

export interface Options {
  /**
   * The length unit of the distance.
   * The default is the input geometry's spatial reference unit.
   * An error will be thrown if this is set for Geographic Coordinate Systems.
   */
  unit?: LengthUnit;
}

/**
 * Returns the planar distance between two geometries.
 *
 * @param geometry1 - The first input geometry.
 * @param geometry2 - The second input geometry.
 * @param options - Additional options.
 * @returns The distance between the two geometries. Can return NaN for empty geometries.
 * @example
 * // Calculate the planar distance between two points
 * const distance = distanceOperator.execute(point1, point2);
 */
export function execute(geometry1: GeometryUnion, geometry2: GeometryUnion, options?: Options): number;

/**
 * Indicates if the operator supports input geometries that contain curves.
 * The value will always be `true`.
 */
export const supportsCurves: boolean;