import type { IActivityHandler } from "../../IActivityHandler";
/** Defines inputs for the GetFeatureSetExtent activity. */
export interface GetFeatureSetExtentInputs {
    features: __esri.Graphic | __esri.FeatureSet | __esri.Graphic[];
}
/** Defines outputs for the GetFeatureSetExtent activity. */
export interface GetFeatureSetExtentOutputs {
    /** @description The center of the extent. */
    center: __esri.Point;
    /** @description The extent of all the input features. */
    extent: __esri.Extent;
}
export declare class GetFeatureSetExtent implements IActivityHandler {
    static readonly action = "gcx:wf:arcgis::GetFeatureSetExtent";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: GetFeatureSetExtentInputs): GetFeatureSetExtentOutputs;
}