import type { GeometryUnion } from "@arcgis/core/geometry/types";
import type { Features, Geometries, GeometryLike } from "@vertigis/viewer-spec/messaging/common";
/**
 * Converts the input to a Geometry.
 *
 * @param value The value to convert.
 */
export declare function toGeometry(value: GeometryLike): GeometryUnion;
/**
 * Converts the input to an array of Geometry.
 *
 * @param geometry The input to convert.
 */
export declare function toGeometryArray(geometry: Geometries): Promise<GeometryUnion[]>;
/**
 * Converts the input to an array of Geometry. This version cannot convert from
 * a FeatureStream and will throw an error in this case.
 *
 * @param geometry The input to convert.
 */
export declare function toGeometryArraySync(geometry: Geometries): GeometryUnion[];
/**
 * Converts spatial features to an array of Geometries.
 *
 * @param features The features to convert.
 * @returns The related feature geometries.
 */
export declare function fromFeatures(features: Features): Promise<GeometryUnion[]>;