import type { IActivityHandler, IActivityContext } from "../../IActivityHandler";
export interface QueryAttachmentInfosInputs {
    url?: string;
    layer?: __esri.Layer;
    objectId: number;
    gdbVersion?: string;
    timeout?: number;
}
export interface QueryAttachmentInfosOutputs {
    /**
     * @description Information about the attachments associated with the feature.
     * Each element in this array is an object with the following properties: id, name, contentType, size.
     */
    infos: object[];
}
export declare class QueryAttachmentInfos implements IActivityHandler {
    static readonly action = "gcx:wf:arcgis::QueryAttachmentInfos";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: QueryAttachmentInfosInputs, context: IActivityContext): Promise<QueryAttachmentInfosOutputs>;
}