/**
* @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 font/fontcommand
*/
import { Command, type Editor } from "@ckeditor/ckeditor5-core";
import { type Batch } from "@ckeditor/ckeditor5-engine";
/**
* The base font command.
*/
export declare abstract class FontCommand extends Command {
	/**
	* When set, it reflects the {@link #attributeKey} value of the selection.
	*
	* @observable
	* @readonly
	*/
	value: string;
	/**
	* A model attribute on which this command operates.
	*/
	readonly attributeKey: string;
	/**
	* Creates an instance of the command.
	*
	* @param editor Editor instance.
	* @param attributeKey The name of a model attribute on which this command operates.
	*/
	constructor(editor: Editor, attributeKey: string);
	/**
	* @inheritDoc
	*/
	override refresh(): void;
	/**
	* Executes the command. Applies the `value` of the {@link #attributeKey} to the selection.
	* If no `value` is passed, it removes the attribute from the selection.
	*
	* @param options Options for the executed command.
	* @param options.value The value to apply.
	* @fires execute
	*/
	override execute(options?: {
		value?: string;
		batch?: Batch;
	}): void;
}