/**
* @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 fullscreen/fullscreencommand
*/
import { Command, type Editor } from "@ckeditor/ckeditor5-core";
import { FullscreenAbstractEditorHandler } from "./handlers/abstracteditorhandler.js";
/**
* A command toggling the fullscreen mode.
*/
export declare class FullscreenCommand extends Command {
	/**
	* Indicates whether the fullscreen mode is enabled.
	*
	* @observable
	* @readonly
	*/
	value: boolean;
	/**
	* Specialized class handling the fullscreen mode toggling for a specific editor type.
	*
	* If you want to add support for a new editor type (for now, only Classic and Decoupled editors are handled),
	* create a custom handler that extends `FullscreenAbstractEditorHandler` and replace `fullscreenHandler` with it after
	* editor initialization:
	*
	* ```ts
	* // See the details of how to implement a custom handler in the `FullscreenAbstractEditorHandler` class API docs.
	* class CustomEditorHandler extends FullscreenAbstractEditorHandler {}
	*
	* CustomEditorClass.create()
	* 	.then( ( editor ) => {
	* 		editor.commands.get( 'toggleFullscreen' ).fullscreenHandler = new CustomEditorHandler( editor );
	* 	} );
	* ```
	*/
	fullscreenHandler: FullscreenAbstractEditorHandler;
	/**
	* @inheritDoc
	*/
	constructor(editor: Editor);
	/**
	* Toggles the fullscreen mode.
	*/
	override execute(): void;
	/**
	* Enables the fullscreen mode.
	*/
	private _enableFullscreenMode;
	/**
	* Disables the fullscreen mode.
	*/
	private _disableFullscreenMode;
}