/**
* @license Copyright (c) 2003-2026, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
*/
/**
* @module cloud-services/uploadgateway/fileuploader
*/
import type { UploadResponse } from "@ckeditor/ckeditor5-upload";
import { type EmitterMixinConstructor } from "@ckeditor/ckeditor5-utils";
import type { InitializedToken } from "../token/token.js";
declare const FileUploaderBase: EmitterMixinConstructor;
/**
* FileUploader class used to upload single file.
*/
export declare class FileUploader extends FileUploaderBase {
	/**
	* A file that is being uploaded.
	*/
	readonly file: Blob;
	xhr?: XMLHttpRequest;
	/**
	* CKEditor Cloud Services access token.
	*/
	private readonly _token;
	/**
	* CKEditor Cloud Services API address.
	*/
	private readonly _apiAddress;
	/**
	* Creates `FileUploader` instance.
	*
	* @param fileOrData A blob object or a data string encoded with Base64.
	* @param token Token used for authentication.
	* @param apiAddress API address.
	*/
	constructor(fileOrData: string | Blob, token: InitializedToken, apiAddress: string);
	/**
	* Registers callback on `progress` event.
	*/
	onProgress(callback: (status: {
		total: number;
		uploaded: number;
	}) => void): this;
	/**
	* Registers callback on `error` event. Event is called once when error occurs.
	*/
	onError(callback: (error: string) => void): this;
	/**
	* Aborts upload process.
	*/
	abort(): void;
	/**
	* Sends XHR request to API.
	*/
	send(): Promise<UploadResponse>;
	/**
	* Prepares XHR request.
	*/
	private _prepareRequest;
	/**
	* Attaches listeners to the XHR.
	*/
	private _attachXHRListeners;
	/**
	* Sends XHR request.
	*/
	private _sendRequest;
}
/**
* Fired when error occurs.
*
* @eventName ~FileUploader#error
* @param error Error message
*/
export type CloudServicesFileUploaderErrorEvent = {
	name: "error";
	args: [error: string];
};
/**
* Fired on upload progress.
*
* @eventName ~FileUploader#progress
* @param status Total and uploaded status
*/
export type CloudServicesFileUploaderProgressErrorEvent = {
	name: "progress";
	args: [status: {
		total: number;
		uploaded: number;
	}];
};
export {};