import { Readable } from 'stream';
import { StorageAdapter } from '../interfaces/storage-adapter.interface';
import { S3AccountType } from '../types/account.type';
import { BlobClient } from '../types/blob-client.type';
import { BlobStorageProperties } from '../types/blob-storage-properties.type';
import { UploadFileType } from '../types/upload-file.type';
import { BaseStorageAdapter } from './base-storage.adapter';
export declare class S3Adapter extends BaseStorageAdapter implements StorageAdapter {
    private account;
    private readonly containerClient;
    constructor(account: S3AccountType);
    uploadStream(stream: Readable, fileName: string): Promise<BlobClient>;
    copyFileFromUrl(url: string, fileName: string, isPublic: boolean): Promise<BlobClient | undefined>;
    private generateBlobName;
    uploadFile(data: UploadFileType): Promise<BlobClient | undefined>;
    deleteIfExists(blobName: string): Promise<void>;
    generatePresignedUrl(blobName: string, expiresOn?: Date, options?: {}): Promise<string>;
    uploadBlobreadable(readable: Readable, blobName: string): Promise<void>;
    createBufferFromBlob(blobName: string): Promise<Buffer | null>;
    getFileStream(blobName: string): Promise<NodeJS.ReadableStream | undefined>;
    getFileBuffer(blobName: string): Promise<Buffer | null>;
    getProperties(blobName: string): Promise<BlobStorageProperties>;
    deleteFile(blobName: string): Promise<void>;
    getPublicUrl(blobName: string): string;
}