import type Portal from "@arcgis/core/portal/Portal";
import type { Transformation } from "./utilities/transformation.js";
/**
 * Global configuration for the ArcGIS Extensions API.
 */
export interface Config {
    /**
     * The URL of the geometry service to use for geometry operations that
     * require a geometry service.
     */
    geometryServiceUrl?: string;
    /**
     * Automatic datum transformations that will be applied whenever there is a
     * match between the input and output spatial references during geometry
     * operations.
     */
    readonly autoTransformations: Transformation[];
    /**
     * ArcGIS portals that portal items can be loaded from.
     */
    readonly portals: Map<string, Portal>;
}
export declare const config: Config;
