/// <reference types="node" />
import type { IObjectStorage } from './objectStorage';
import type { ObjectData, ObjectItem, MinioConfig, ObjectMetadata } from '../../types';
import { Readable as ReadableStream } from 'stream';
export declare class MinioStorage implements IObjectStorage {
    private config?;
    private bucketName;
    private minioClient;
    constructor(config?: MinioConfig | undefined);
    private buildMinioClient;
    private getClient;
    append(objectName: string, content: string, metaData?: ObjectMetadata): Promise<void>;
    getObjectToBuffer(objectName: string): Promise<Buffer>;
    getObjectToStream(objectName: string): Promise<ReadableStream>;
    getObjectToString(objectName: string): Promise<string>;
    getObjectToJSON(objectName: string): Promise<any>;
    putObject(objectName: string, data: ObjectData, metaData?: ObjectMetadata): Promise<void>;
    fPutObject(objectName: string, filePath: string, metaData?: ObjectMetadata): Promise<void>;
    fGetObject(objectName: string, filePath: string): Promise<void>;
    presignedGetObject(objectName: string): Promise<string>;
    presignedPutObject(objectName: string): Promise<string>;
    listObjects(prefix: string, recursive?: boolean): Promise<ObjectItem[]>;
    deleteObject(objectName: string): Promise<void>;
    deleteMultiObjects(objectNames: string[]): Promise<void>;
    checkObjectNameExist(objectName: string): Promise<boolean>;
    getLastModified(objectName: string): Promise<Date>;
}