import { Attachment } from "./attachment.schema";
import * as mongoose from "mongoose";
import { EntitiesService } from "../entities/entities.service";
import { BaseService } from "../common/base/base.service";
import { ClsService } from "nestjs-cls";
import { SearchResultDto } from "../common/dto/search_result.dto";
export declare class AttachmentService extends BaseService<Attachment> {
    readonly cls: ClsService;
    private entitiesService;
    protected model: mongoose.Model<Attachment>;
    constructor(cls: ClsService, entitiesService: EntitiesService, model: mongoose.Model<Attachment>);
    init(): Promise<string>;
    initRefresh(): Promise<any>;
    private _getProvider;
    private _generateHash;
    private _getFileDataFromUrl;
    private _getFileInfo;
    private _decompressData;
    private _validateUploadData;
    private _upload;
    private _getUniqueFilename;
    private _saveAttachement;
    upload(data: any): Promise<mongoose.Document<unknown, {}, Attachment, {}, {}> & Attachment & Required<{
        _id: mongoose.Types.ObjectId;
    }> & {
        __v: number;
    }>;
    download(path: string, filename: string): Promise<any>;
    downloadBase64(id: string): Promise<string>;
    downloadStream(id: string): Promise<string>;
    delete(id: string, ignoreDeleteFile?: boolean): Promise<boolean>;
    get(id: string): Promise<mongoose.Document<unknown, {}, Attachment, {}, {}> & Attachment & Required<{
        _id: mongoose.Types.ObjectId;
    }> & {
        __v: number;
    }>;
    markDeleted(entity: string, ids: Array<string>): Promise<boolean>;
    bulkDelete(ids: string[], ignoreDeleteStorage?: boolean): Promise<boolean>;
    cleanData(): Promise<any>;
    bulkAction(data: any): Promise<any>;
    search(keywords: string, filters?: any, page?: number, page_size?: number, sort?: string, grouping?: Array<string>, noTranslate?: boolean, fields?: Array<string>): Promise<SearchResultDto>;
}