import { type Readable } from 'node:stream';
import { type DriveFile, type DriveDirectory } from 'flydrive';
import type { WriteOptions, DriverContract, ObjectMetaData, ObjectVisibility, SignedURLOptions } from 'flydrive/types';
import { type BlobDownloadToBufferOptions, type BlobExistsOptions, BlobServiceClient, type BlockBlobUploadOptions } from '@azure/storage-blob';
import { type AzureStorageDriverConfig, CannotCopyFileException, CannotDeleteFileException, CannotGetMetaDataException, CannotMoveFileException, CannotSetMetaDataException, CannotWriteFileException, FileNotFoundException, MethodNotImplementedException } from './types.js';
export declare class AzureDriver implements DriverContract {
    private readonly config;
    /**
     * Reference to the Azure storage instance
     */
    adapter: BlobServiceClient;
    /**
     * Constructor
     * @param {AzureStorageDriverConfig} config - The configuration for the Azure storage driver
     */
    constructor(config: AzureStorageDriverConfig);
    private getBlockBlobClient;
    /**
     * Return a boolean value indicating if the file exists
     * or not.
     */
    exists(key: string, optoins?: BlobExistsOptions): Promise<boolean>;
    /**
     * Return the file contents as a UTF-8 string. Throw an exception
     * if the file is missing.
     */
    get(key: string, options?: BlobDownloadToBufferOptions): Promise<string>;
    /**
     * Return the file contents as a Readable stream. Throw an exception
     * if the file is missing.
     */
    getStream(key: string, options?: BlobDownloadToBufferOptions): Promise<Readable>;
    /**
     * Return the file contents as a Uint8Array. Throw an exception
     * if the file is missing.
     */
    getBytes(key: string, options?: BlobDownloadToBufferOptions): Promise<Uint8Array>;
    /**
     * Return metadata of the file. Throw an exception
     * if the file is missing.
     */
    getMetaData(key: string): Promise<ObjectMetaData>;
    /**
     * Return visibility of the file. Infer visibility from the initial
     * config, when the driver does not support the concept of visibility.
     */
    getVisibility(key: string): Promise<ObjectVisibility>;
    /**
     * Return the public URL of the file. Throw an exception when the driver
     * does not support generating URLs.
     */
    getUrl(key: string): Promise<string>;
    /**
     * Return the signed URL to serve a private file. Throw exception
     * when the driver does not support generating URLs.
     */
    getSignedUrl(key: string, options?: SignedURLOptions): Promise<string>;
    /**
     * Generate a signed URL for a blob.
     * @param blockBlobClient - The block blob client to generate the URL for.
     * @param options - The options for the signed URL.
     * @returns The signed URL.
     */
    private generateBlobSASURL;
    /**
     * Update the visibility of the file. Result in a NOOP
     * when the driver does not support the concept of
     * visibility.
     */
    setVisibility(key: string, visibility: ObjectVisibility): Promise<void>;
    /**
     * Update the visibility of the file. Result in a NOOP
     * when the driver does not support the concept of
     * getting signed upload url.
     */
    getSignedUploadUrl(key: string, options?: SignedURLOptions): Promise<string>;
    /**
     * Create a new file or update an existing file. The contents
     * will be a UTF-8 string or "Uint8Array".
     */
    put(key: string, contents: string | Uint8Array, options?: BlockBlobUploadOptions): Promise<void>;
    /**
     * Create a new file or update an existing file. The contents
     * will be a Readable stream.
     */
    putStream(key: string, contents: Readable, options?: BlockBlobUploadOptions): Promise<void>;
    /**
     * Copy the existing file to the destination. Make sure the new file
     * has the same visibility as the existing file. It might require
     * manually fetching the visibility of the "source" file.
     */
    copy(source: string, destination: string, options?: WriteOptions): Promise<void>;
    /**
     * Move the existing file to the destination. Make sure the new file
     * has the same visibility as the existing file. It might require
     * manually fetching the visibility of the "source" file.
     */
    move(source: string, destination: string, options?: WriteOptions): Promise<void>;
    /**
     * Delete an existing file. Do not throw an error if the
     * file is already missing
     */
    delete(key: string): Promise<void>;
    /**
     * Delete all files inside a folder. Do not throw an error
     * if the folder does not exist or is empty.
     */
    deleteAll(prefix: string): Promise<void>;
    /**
     * List all files from a given folder or the root of the storage.
     * Do not throw an error if the request folder does not exist.
     */
    listAll(prefix: string, options?: {
        recursive?: boolean;
        paginationToken?: string;
    }): Promise<{
        paginationToken?: string;
        objects: Iterable<DriveFile | DriveDirectory>;
    }>;
}
export declare function AzureService(config: AzureStorageDriverConfig): {
    type: 'provider';
    resolver: () => Promise<() => AzureDriver>;
};
export { type AzureStorageDriverConfig, CannotCopyFileException, CannotDeleteFileException, CannotGetMetaDataException, CannotMoveFileException, CannotSetMetaDataException, CannotWriteFileException, FileNotFoundException, MethodNotImplementedException };