/**
* @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 ui/editorui/accessibilityhelp/accessibilityhelp
*/
import { Plugin, type PluginDependenciesOf } from "@ckeditor/ckeditor5-core";
import { Dialog } from "../../dialog/dialog.js";
import { AccessibilityHelpContentView } from "./accessibilityhelpcontentview.js";
import "../../../theme/components/editorui/accessibilityhelp.css";
/**
* A plugin that brings the accessibility help dialog to the editor available under the <kbd>Alt</kbd>+<kbd>0</kbd>
* keystroke and via the "Accessibility help" toolbar button. The dialog displays a list of keystrokes that can be used
* by the user to perform various actions in the editor.
*
* Keystroke information is loaded from {@link module:core/accessibility~Accessibility#keystrokeInfos}. New entries can be
* added using the API provided by the {@link module:core/accessibility~Accessibility} class.
*/
export declare class AccessibilityHelp extends Plugin {
	/**
	* The view that displays the dialog content (list of keystrokes).
	* Created when the dialog is opened for the first time.
	*/
	contentView: AccessibilityHelpContentView | null;
	/**
	* @inheritDoc
	*/
	static get requires(): PluginDependenciesOf<[Dialog]>;
	/**
	* @inheritDoc
	*/
	static get pluginName(): "AccessibilityHelp";
	/**
	* @inheritDoc
	*/
	static override get isOfficialPlugin(): true;
	/**
	* @inheritDoc
	*/
	init(): void;
	/**
	* Creates a button to show accessibility help dialog, for use either in toolbar or in menu bar.
	*/
	private _createButton;
	/**
	* Injects a help text into each editing root's `aria-label` attribute allowing assistive technology users
	* to discover the availability of the Accessibility help dialog.
	*/
	private _setupRootLabels;
	/**
	* Shows the accessibility help dialog. Also, creates {@link #contentView} on demand.
	*/
	private _toggleDialog;
}