import { Bucket, CreateResumableUploadOptions, File, FileOptions } from "@google-cloud/storage";
import { CopyFileOptions, CreateStorageServiceOptions, GcsFileIdentifier, WriteFileOptions } from "./types.js";
export declare class StorageService {
    protected readonly logger: import("@mondokit/gcp-core").Logger;
    private readonly bucket;
    private readonly options;
    constructor(options?: CreateStorageServiceOptions);
    getBucket(): Bucket;
    readFile(fileName: string): Promise<string>;
    writeFile({ data, fileName, publicReadable, contentType, }: WriteFileOptions): Promise<File>;
    copyToBucket(src: File | GcsFileIdentifier, { fileName, filePath }?: CopyFileOptions): Promise<File>;
    copyAllToBucket(src: Array<File | GcsFileIdentifier>, options?: Pick<CopyFileOptions, "filePath">): Promise<File[]>;
    deleteAll(prefix: string): Promise<void>;
    getResumableUploadUrl(fileId: string, uploadOptions?: CreateResumableUploadOptions, fileOptions?: FileOptions): Promise<string>;
    getSignedDownloadUrl(fileId: string, expiryInMs: number): Promise<string>;
    private initBucketName;
    private checkBucketExists;
    private initBucket;
    private getStorage;
}
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