/**
* @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
*/
/**
* Formats the content for a better readability.
*
* For a non-HTML source the unchanged input string is returned.
*
* @param input Input string to check.
*/
export declare function formatSource(input: string): string;
/**
* Unformats the given HTML by removing new lines and multiple whitespace characters.
*
* For a non-HTML source the unchanged input string is returned.
*
* @param input Input string to check.
*/
export declare function unformatSource(input: string): string;