import { AttachmentService } from "./attachment.service";
import type { Response } from 'express';
export declare class AttachmentController {
    protected attachmentService: AttachmentService;
    constructor(attachmentService: AttachmentService);
    upload(data: any): Promise<any>;
    download(params: any, res: Response): Promise<void>;
    downloadBase64(id: string): Promise<string>;
    downloadStream(params: any, res: Response): Promise<string>;
    delete(params: any, query: any): Promise<any>;
    markDeleted(body: any): Promise<any>;
    bulkAction(body: any): Promise<any>;
    bulkDelete(body: any): Promise<any>;
    cleanData(): Promise<any>;
}