import { MapProvider } from "./MapProvider";
import type { IActivityHandler, IActivityContext } from "../../IActivityHandler";
/** Defines inputs for the Buffer activity. This activity relies on an ArcGIS Geometry Service REST endpoint. */
export interface BufferServiceTaskInputs {
    url: string;
    geometry: __esri.Geometry | __esri.Geometry[];
    distance: number | number[];
    unit?: "meters" | "feet" | "kilometers" | "miles" | "nautical-miles" | "yards" | string;
    bufferSpatialReference?: number | string | __esri.SpatialReference;
    outSpatialReference?: number | string | __esri.SpatialReference;
    geodesic?: boolean;
    union?: boolean;
}
/** Defines outputs for the Buffer activity. */
export interface BufferServiceTaskOutputs {
    /** @description The first buffer result. */
    geometry?: __esri.Polygon;
    /** @description The buffer results. */
    results?: __esri.Polygon[];
}
export declare class BufferServiceTask implements IActivityHandler {
    static readonly action = "gcx:wf:arcgis::BufferServiceTask";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: BufferServiceTaskInputs, context: IActivityContext, MapProviderType: typeof MapProvider): Promise<BufferServiceTaskOutputs>;
}