import { IFile } from '../FileUploader';
export default class UploadHelper {
    private onEmptyUploadHandler?;
    private onUploadInitiatedHandler?;
    private onUploadStartHandler?;
    private onUploadProgressHandler?;
    private onUploadCompleteHandler?;
    private onUploadErrorHandler?;
    private onUploadRequestEndedHandler?;
    private onInitiatedHandler?;
    private onStartHandler?;
    private onCancelHandler?;
    private initiated;
    onNothingToUpload(_onEmptyUploadHandler?: () => void): this;
    onUploadInitiated(_onUploadInitiatedHandler?: (uploadingNames: string[], uploadingFiles: IFile[]) => void): this;
    onUploadStart(_onUploadStartHandler?: () => void): this;
    onUploadError(_onUploadErrorHandler?: (e: any) => void): this;
    onUploadComplete(_onUploadCompleteHandler?: (uploadBucketUrls: {
        [key: string]: string;
    }, newlyUploadedBucketUrls: string[]) => void): this;
    onUploadProgress(_onUploadProgressHandler?: (percent: number) => void): this;
    onUploadRequestEnded(_onUploadRequestEnded?: (success: boolean) => void): this;
    init(): this;
    start(): this;
    cancel(): this;
    _onUploadInitiated(_onUploadInitiated?: () => void): this;
    _onUploadStart(_onUploadStart?: () => void): this;
    _onCancel(_onCancel?: () => void): this;
    _getOnEmptyUploadHandler(): (obj?: any) => void;
    _getOnUploadInitiatedHandler(): (uploadingNames: string[], uploadingFiles: IFile[]) => void;
    _getOnUploadStartHandler(): (obj?: any) => void;
    _getOnUploadCompleteHandler(): (uploadBucketUrls: {
        [key: string]: string;
    }, newlyUploadedBucketUrls: string[]) => void;
    _getOnUploadErrorHandler(): (obj?: any) => void;
    _getOnUploadProgressHandler(): (obj?: any) => void;
    _getOnUploadRequestEndedHandler(): (obj?: any) => void;
    private dummyHandler;
}