/// <reference types="node" />
import { StreamableFile } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { FileDto } from './dto';
import { StorageAdapter } from './adapters';
import { StorageModuleOptions } from './storage.module';
import { FileProps } from './decorators';
import { FileMetadata, FileMetaService } from './file-meta';
import { AuthUser } from '../auth';
type AccessMeta = {
    allowed: boolean;
    meta: FileMetadata;
};
type StoredFile = {
    fileName: string;
    metaId?: string | number;
};
export declare class FileManager {
    private storageModuleOptions;
    private fileMetaService;
    private storageAdapter;
    private configService;
    private readonly logger;
    private readonly dirname;
    private readonly tempDirname;
    private readonly filesDirPattern;
    private readonly filesNamePattern;
    constructor(storageModuleOptions: StorageModuleOptions, fileMetaService: FileMetaService, storageAdapter: StorageAdapter, configService: ConfigService);
    useWith(sessionManager: any): FileManager;
    checkFileAccess(name: string, user: AuthUser): Promise<AccessMeta>;
    storeFile(name: string, data: Buffer, meta?: FileMetadata, transformName?: boolean): Promise<StoredFile | null>;
    loadFile(name: string): Promise<Buffer | null>;
    fileExists(name: string): Promise<boolean>;
    streamFile(name: string, start?: number, end?: number): Promise<StreamableFile | null>;
    deleteFile(name: string): Promise<boolean>;
    moveFromTemp(name: string, meta?: FileMetadata, transformName?: boolean): Promise<StoredFile | null>;
    updateFilesMetaResourceIds(fileNames: string[], id: string | number): Promise<boolean>;
    deleteFileArray(fileNames: string[]): Promise<number>;
    deleteFiles(fileProps: Record<string, FileProps>, currentModel: any, newModel?: any): Promise<number>;
    getFilesToDelete(fileProps: Record<string, FileProps>, currentModel: any, newModel?: any): string[];
    persistFile(file: FileDto, isUpdate?: boolean, meta?: FileMetadata): Promise<StoredFile | null>;
    persistFiles(fileProps: Record<string, FileProps>, newModel: any, currentModel?: any, isFileUpload?: boolean): Promise<string[]>;
    private directoryName;
    private fileName;
    private setFileMetaService;
}
export {};