import type { IActivityHandler } from "../../IActivityHandler";
/** Defines inputs for the Get Attribute Value activity. */
export interface GetAttributeValueInputs {
    features: __esri.Graphic | __esri.FeatureSet | __esri.Graphic[];
    attribute: string;
    index?: number;
    valueType?: "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 for the Get Attribute Value activity. */
export interface GetAttributeValueOutputs {
    /** @description The feature containing the first assigned attribute. */
    feature?: __esri.Graphic;
    /** @description The value of the specified attribute for the first feature. */
    value?: any;
}
export declare class GetAttributeValue implements IActivityHandler {
    static readonly action = "gcx:wf:arcgis::GetAttributeValue";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: GetAttributeValueInputs): GetAttributeValueOutputs;
}