import type { IActivityHandler, IActivityContext } from "../../IActivityHandler";
/** Defines inputs for the Distance Service activity. This activity relies on an ArcGIS Geometry Service REST endpoint. */
export interface DistanceServiceTaskInputs {
    url: string;
    geometry1: __esri.Geometry;
    geometry2: __esri.Geometry;
    unit?: "feet" | "kilometers" | "meters" | "miles" | "nautical-miles" | "yards" | string;
    geodesic?: boolean;
}
/** Defines outputs for the Distance Service activity. */
export interface DistanceServiceTaskOutputs {
    /** @description The distance between the two geometries. */
    distance: number;
}
export declare class DistanceServiceTask implements IActivityHandler {
    static readonly action = "gcx:wf:arcgis::DistanceServiceTask";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: DistanceServiceTaskInputs, context: IActivityContext): Promise<DistanceServiceTaskOutputs>;
}