import { DtoExpiresObject, FileAttributes, StorageProviderEntity } from './types';
export declare class StorageProvider {
    private readonly _provider;
    private readonly _accessKey;
    private readonly _secretKey?;
    private readonly _region;
    private readonly _bucket;
    private readonly _expires;
    private readonly _host?;
    private readonly _port?;
    private readonly _options?;
    private readonly _clientS3;
    private readonly _clientMinio;
    private readonly _clientGCS;
    constructor(params: StorageProviderEntity);
    /**
     * Expires Object Storage Sign
     * @returns
     */
    expiresObject(): DtoExpiresObject;
    /**
     * ```sh
     * Using a client with a Cloud Storage Provider
     * ```
     * @name
     * Using the client with the AWS S3 Provider
     * @example
     * import { TypeS3 } from 'expresso-provider/lib/storage/types'
     *
     * const storage = new Storage('s3')
     * const s3 = storage.client<TypeS3>().getObject()
     *
     * @name
     * Using the client with the Minio Provider
     * @example
     * import { TypeMinio } from 'expresso-provider/lib/storage/types'
     *
     * const storage = new Storage('minio')
     * const minio = storage.client<TypeMinio>().fGetObject()
     *
     * @name
     * Using the client with the Google Cloud Storage Provider
     * @example
     * import { TypeGCS } from 'expresso-provider/lib/storage/types'
     *
     * const storage = new Storage('gcs')
     * const gcs = storage.client<TypeGCS>().getProjectId()
     *
     * @returns
     */
    client<T>(): T | undefined;
    /**
     * Create S3 Bucket
     */
    private _createS3Bucket;
    /**
     * Initial Aws S3
     */
    private _initialS3;
    /**
     * Create Minio Bucket
     */
    private _createMinioBucket;
    /**
     * Initial Minio
     */
    private _initialMinio;
    /**
     * Create Google Cloud Storage Bucket
     */
    private _createGCSBucket;
    /**
     * Initial Google Cloud Storage
     */
    private _initialGCS;
    initialize(): Promise<void>;
    /**
     * Get Presigned URL from AWS S3
     * @param keyFile
     * @returns
     */
    private _getPresignedURLS3;
    /**
     * Get Presigned URL from MinIO
     * @param keyFile
     * @returns
     */
    private _getPresignedURLMinIO;
    /**
     * Get Presigned URL from Google Cloud Storage
     * @param keyFile
     * @returns
     */
    private _getPresignedURLGCS;
    /**
     * Get Presigned URL
     * @param keyFile
     * @returns
     */
    getPresignedURL(keyFile: string): Promise<string>;
    /**
     *
     * @param values
     * @returns
     */
    private _generateKeyFile;
    /**
     * Upload File from AWS S3
     * @param fieldUpload
     * @param directory
     * @returns
     */
    private _uploadFileS3;
    /**
     * Upload File from MinIO
     * @param fieldUpload
     * @param directory
     * @returns
     */
    private _uploadFileMinIO;
    /**
     * Upload File from Google Cloud Storage
     * @param fieldUpload
     * @param directory
     * @returns
     */
    private _uploadFileGCS;
    /**
     * Upload File to Storage Provider
     * @param fieldUpload
     * @param directory
     * @returns
     */
    uploadFile<T>(fieldUpload: FileAttributes, directory: string): Promise<{
        data: T;
        signedURL: string;
    }>;
}
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