/**
 * @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
 */
/**
 * Returns the visual viewport offsets to adjust elements with `position: fixed` style.
 */
export declare function getVisualViewportOffset(): {
    left: number;
    top: number;
};