/**
* @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 indent/indentcommandbehavior/indentusingclasses
*/
import type { IndentBehavior } from "./indentbehavior.js";
/**
* The block indentation behavior that uses classes to set indentation.
*
* @internal
*/
export declare class IndentUsingClasses implements IndentBehavior {
	/**
	* The direction of indentation.
	*/
	isForward: boolean;
	/**
	* A list of classes used for indentation.
	*/
	classes: Array<string>;
	/**
	* Creates an instance of the indentation behavior.
	*
	* @param config.direction The direction of indentation.
	* @param config.classes A list of classes used for indentation.
	*/
	constructor(config: {
		direction: "forward" | "backward";
		classes: Array<string>;
	});
	/**
	* @inheritDoc
	*/
	checkEnabled(indentAttributeValue: string): boolean;
	/**
	* @inheritDoc
	*/
	getNextIndent(indentAttributeValue: string): string | undefined;
}