import type { IncomingHttpHeaders } from 'node:http';
import type { Readable } from 'node:stream';
export declare class NFSAdapter {
    private readonly nfsClient;
    private readonly logger;
    uploadBytes(storeKey: string, bytes: Uint8Array): Promise<void>;
    appendBytes(storeKey: string, bytes: Uint8Array, position?: string, headers?: IncomingHttpHeaders): Promise<string | undefined>;
    uploadFile(storeKey: string, file: string): Promise<void>;
    downloadFile(storeKey: string, file: string, timeout: number): Promise<void>;
    remove(storeKey: string): Promise<void>;
    getStream(storeKey: string): Promise<Readable | undefined>;
    getBytes(storeKey: string): Promise<Uint8Array | undefined>;
    getDownloadUrl(storeKey: string): Promise<string | undefined>;
    getDownloadUrlOrStream(storeKey: string): Promise<string | Readable | undefined>;
}