/**
* @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 image/imageupload/imageuploadprogress
*/
import { type Editor, Plugin } from "@ckeditor/ckeditor5-core";
import "../../theme/imageuploadprogress.css";
import "../../theme/imageuploadicon.css";
import "../../theme/imageuploadloader.css";
/**
* The image upload progress plugin.
* It shows a placeholder when the image is read from the disk and a progress bar while the image is uploading.
*/
export declare class ImageUploadProgress extends Plugin {
	/**
	* @inheritDoc
	*/
	static get pluginName(): "ImageUploadProgress";
	/**
	* @inheritDoc
	*/
	static override get isOfficialPlugin(): true;
	/**
	* The image placeholder that is displayed before real image data can be accessed.
	*
	* For the record, this image is a 1x1 px GIF with an aspect ratio set by CSS.
	*/
	private placeholder;
	/**
	* @inheritDoc
	*/
	constructor(editor: Editor);
	/**
	* @inheritDoc
	*/
	init(): void;
	/**
	* This method is called each time the image `uploadStatus` attribute is changed.
	*
	* @param evt An object containing information about the fired event.
	* @param data Additional information about the change.
	*/
	private uploadStatusChange;
}