import { User } from "../User";
/**
 * @author Jörn Heinemann <joernheinemann@gmx.de>
 * @since 2022/08/27
 */
export declare class Uploader {
    private base_url;
    private app_token;
    private user;
    private group_id?;
    private other_user_id?;
    private upload_callback?;
    private readonly group_as_member?;
    private chunk_size;
    private readonly belongs_to_id?;
    private readonly belongs_to?;
    static cancel_upload: boolean;
    constructor(base_url: string, app_token: string, user: User, group_id?: string, other_user_id?: string, upload_callback?: (progress?: number) => void, group_as_member?: string, chunk_size?: number);
    prepareFileRegister(file: File, content_key: string, encrypted_content_key: string, master_key_id: string): string[];
    doneFileRegister(server_output: string): string[];
    checkFileUpload(file: File, content_key: string, session_id: string, sign?: boolean): Promise<void>;
    uploadFile(file: File, content_key: string, encrypted_content_key: string, master_key_id: string, sign?: boolean): Promise<string[]>;
}