import { ComKey, Coordinate, Item, PriKey } from "@fjell/types";
import { Storage } from '@google-cloud/storage';
import { PathBuilder } from './PathBuilder';
import { FileProcessor } from './FileProcessor';
import { Options } from './Options';
import { FileReference, SignedUrlOptions, UploadFileOptions } from './types/Files';
/**
 * File operations interface
 */
export interface FileOperations<V extends Item<S, L1, L2, L3, L4, L5>, S extends string, L1 extends string = never, L2 extends string = never, L3 extends string = never, L4 extends string = never, L5 extends string = never> {
    uploadFile(key: PriKey<S> | ComKey<S, L1, L2, L3, L4, L5>, label: string, filename: string, content: Buffer, options?: UploadFileOptions): Promise<FileReference>;
    downloadFile(key: PriKey<S> | ComKey<S, L1, L2, L3, L4, L5>, label: string, filename: string): Promise<Buffer>;
    deleteFile(key: PriKey<S> | ComKey<S, L1, L2, L3, L4, L5>, label: string, filename: string): Promise<void>;
    listFiles(key: PriKey<S> | ComKey<S, L1, L2, L3, L4, L5>, label?: string): Promise<FileReference[]>;
    getSignedUrl(key: PriKey<S> | ComKey<S, L1, L2, L3, L4, L5>, label: string, filename: string, options?: SignedUrlOptions): Promise<string>;
}
/**
 * Create file operations implementation
 */
export declare function createFileOperations<V extends Item<S, L1, L2, L3, L4, L5>, S extends string, L1 extends string = never, L2 extends string = never, L3 extends string = never, L4 extends string = never, L5 extends string = never>(storage: Storage, bucketName: string, pathBuilder: PathBuilder, fileProcessor: FileProcessor, coordinate: Coordinate<S, L1, L2, L3, L4, L5>, options: Options<V, S, L1, L2, L3, L4, L5>): FileOperations<V, S, L1, L2, L3, L4, L5>;