import type { IActivityHandler, IActivityContext } from "../../IActivityHandler";
export interface AddAttachmentInputs {
    url?: string;
    layer?: __esri.Layer;
    objectId: number;
    attachment: File;
    attachmentName?: string;
    gdbVersion?: string;
    timeout?: number;
}
export interface AddAttachmentOutputs {
    /** @description The result object indicating if the attachment was successfully added. */
    result: any;
}
export declare class AddAttachment implements IActivityHandler {
    static readonly action = "gcx:wf:arcgis::AddAttachment";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: AddAttachmentInputs, context: IActivityContext): Promise<AddAttachmentOutputs>;
}