import Graphic from "@arcgis/core/Graphic";
import { Feature } from "@vertigis/arcgis-extensions/data/Feature";
import { FeatureStream } from "@vertigis/arcgis-extensions/data/FeatureStream";
import type { Features, GraphicsLike, HasGraphics, Results } from "@vertigis/viewer-spec/messaging/common";
/**
 * Converts the input to a FeatureStream.
 *
 * @param features The feature(s) to convert.
 */
export declare function toFeatureStream(features: Features): FeatureStream;
/**
 * Converts the input to an array of features.
 *
 * @param features The feature(s) to convert.
 */
export declare function toFeatureArray(features: Features): Promise<Feature[]>;
/**
 * Converts the input to an array of features. This version cannot convert from
 * a FeatureStream and will throw an error in this case.
 *
 * @param features The feature(s) to convert.
 */
export declare function toFeatureArraySync(features: Features): Feature[];
/**
 * Converts the input to a feature. If the input represents more than one
 * feature, it will return only the first one.
 *
 * @param features The feature(s) to convert.
 */
export declare function toFeature(features: Features): Promise<Feature>;
/**
 * Converts the input to a feature. If the input represents more than one
 * feature, it will return only the first one. This version cannot read from a
 * FeatureStream and will throw an error in this case.
 *
 * @param features The feature(s) to convert.
 */
export declare function toFeatureSync(features: Features): Feature;
/**
 * Converts the input to a Results object.
 *
 * @param features The feature(s) to convert.
 */
export declare function toResults(features: Features): Results;
/**
 * Converts the input to an array of graphics.
 *
 * @param graphics The graphic(s) to convert.
 */
export declare function toGraphicsArray(graphics: GraphicsLike | HasGraphics): Graphic[];