/// <reference types="node" />
import { HexString } from "ethers/lib.commonjs/utils/data";
export declare class BaseEthStorage {
    #private;
    constructor(rpc: string, privateKey: HexString, contractAddr?: HexString | null);
    address(): string;
    deploy(ethStorage?: string): Promise<string | null>;
    deploySepolia(): Promise<string | null>;
    setDefault(filename: string): Promise<void>;
    refund(): Promise<void>;
    remove(fileName: string): Promise<boolean>;
    download(fileName: string, ethStorageRpc?: string): Promise<Buffer | undefined>;
    uploadData(fileName: string, data: any): Promise<{
        fileName: string;
        totalChunkCount: number;
        currentSuccessIndex: number;
        totalUploadCount: number;
        totalUploadSize: number;
        totalCost: bigint;
    }>;
    upload(fileOrPath: string, syncPoolSize?: number): Promise<unknown>;
    getFileInfo(pathOrFile: any): void;
    getFileChunk(pathOrFile: any, fileSize: number, start: number, end: number): Promise<Buffer>;
}