import type { IActivityHandler } from "../../IActivityHandler";
/** Defines inputs for the GetFirstItem activity. */
export interface GetFirstItemInputs {
    collection: any[];
    itemType?: "any" | "ArrayBuffer" | "boolean" | "Date" | "Error" | "Function" | "number" | "number[]" | "Object" | "string" | "string[]" | "esri.Graphic" | "esri.Extent" | "esri.Geometry" | "esri.Multipoint" | "esri.Point" | "esri.Polygon" | "esri.Polyline" | "esri.PortalGroup" | "esri.PortalUser" | "esri.SpatialReference" | "esri.Layer" | "esri.Symbol" | "esri.AddressCandidate" | "esri.FeatureSet" | "{ id: number; name: string; location: esri.Point; }" | string;
}
/** Defines outputs from the GetFirstItem activity. */
export interface GetFirstItemOutputs {
    /** @description The first item. */
    item: any;
}
export declare class GetFirstItem implements IActivityHandler {
    static readonly action = "gcx:wf:core::GetFirstItem";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: GetFirstItemInputs): GetFirstItemOutputs;
}