/**
* @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
*/
import { Command } from "@ckeditor/ckeditor5-core";
/**
* The insert HTML embed element command.
*
* The command is registered by {@link module:html-embed/htmlembedediting~HtmlEmbedEditing} as `'htmlEmbed'`.
*
* To insert an empty HTML embed element at the current selection, execute the command:
*
* ```ts
* editor.execute( 'htmlEmbed' );
* ```
*
* You can specify the initial content of a new HTML embed in the argument:
*
* ```ts
* editor.execute( 'htmlEmbed', '<b>Initial content.</b>' );
* ```
*
* To update the content of the HTML embed, select it in the model and pass the content in the argument:
*
* ```ts
* editor.execute( 'htmlEmbed', '<b>New content of an existing embed.</b>' );
* ```
*/
export declare class HtmlEmbedCommand extends Command {
	/**
	* @inheritDoc
	*/
	override refresh(): void;
	/**
	* Executes the command, which either:
	*
	* * creates and inserts a new HTML embed element if none was selected,
	* * updates the content of the HTML embed if one was selected.
	*
	* @fires execute
	* @param value When passed, the value (content) will be set on a new embed or a selected one.
	*/
	override execute(value?: string): void;
}