import type { Action, IDigest, IServer, ISlicer, ITaskScheduler, IUploader, ProgressCallback } from '../../abstraction';
export declare class Uploader implements IUploader {
    private _aborted;
    private _paused;
    private _uploadId?;
    private _data?;
    private _slices?;
    private _tasks?;
    private _onDoUpoad?;
    private _server;
    private _digestor;
    private _slicer;
    private _taskScheduler;
    private _digestProgress;
    private _sliceProgress;
    private _uploadProgress;
    private _mergeProgress;
    private _segments;
    onProgress?: ProgressCallback;
    onSuccess?: Action<string>;
    onError?: Action<unknown>;
    constructor(server: IServer, digestor: IDigest, slicer: ISlicer, taskScheduler: ITaskScheduler);
    get uploadId(): string | undefined;
    get data(): File | undefined;
    get isAborted(): boolean;
    get isPaused(): boolean;
    get progress(): number;
    uploadAsync(data: File, onProgress?: ProgressCallback, onSuccess?: Action<string>, onError?: Action<unknown>): Promise<string>;
    abortAsync(): Promise<void>;
    pauseAsync(): Promise<void>;
    resumeAsync(): Promise<void>;
    startAsync(): Promise<void>;
    disposeAsync(): Promise<void>;
    private tryStartUploadAsync;
    private doUploadAsync;
    private completeUploadAsync;
    private recoverAsync;
    private sliceFileAsync;
    private uploadSliceAsync;
    private handleUploadProgress;
    private updateProgress;
    private waitingSlice;
    private handleError;
}