/// <reference types="node" />
import { PutObjectCommandOutput } from '@aws-sdk/client-s3';
export interface IFilePath {
    path: string;
    name: string;
}
export declare abstract class StorageService {
    abstract getSignedUrl(key: string, contentType: string): Promise<{
        signedUrl: string;
        path: string;
        additionalHeaders?: Record<string, string>;
    }>;
    abstract uploadFile(key: string, file: Buffer, contentType: string): Promise<PutObjectCommandOutput>;
    abstract getFile(key: string): Promise<Buffer>;
    abstract deleteFile(key: string): Promise<void>;
}
export declare class S3StorageService implements StorageService {
    private s3;
    uploadFile(key: string, file: Buffer, contentType: string): Promise<PutObjectCommandOutput>;
    getFile(key: string): Promise<Buffer>;
    deleteFile(key: string): Promise<void>;
    getSignedUrl(key: string, contentType: string): Promise<{
        signedUrl: string;
        path: string;
    }>;
}
export declare class GCSStorageService implements StorageService {
    private gcs;
    uploadFile(key: string, file: Buffer, contentType: string): Promise<PutObjectCommandOutput>;
    getFile(key: string): Promise<Buffer>;
    deleteFile(key: string): Promise<void>;
    getSignedUrl(key: string, contentType: string): Promise<{
        signedUrl: string;
        path: string;
    }>;
}
export declare class AzureBlobStorageService implements StorageService {
    private sharedKeyCredential;
    private blobServiceClient;
    uploadFile(key: string, file: Buffer, contentType: string): Promise<PutObjectCommandOutput>;
    getFile(key: string): Promise<Buffer>;
    deleteFile(key: string): Promise<void>;
    getSignedUrl(key: string, contentType: string): Promise<{
        signedUrl: string;
        path: string;
        additionalHeaders: {
            'x-ms-blob-type': string;
        };
    }>;
}
//# sourceMappingURL=storage.service.d.ts.map