/*!
 * Jodit Editor PRO (https://xdsoft.net/jodit/)
 * See LICENSE.md in the project root for license information.
 * Copyright (c) 2013-2026 Valerii Chupurnov. All rights reserved. https://xdsoft.net/jodit/pro/
 */
import type { Nullable } from "jodit/esm/types/index";
import type { IJElement } from "../interface";
export declare function calcMarginParts(margin: string): number[] | string[];
/**
 * Convert css units to pixels, excluding percentages
 * @example
 * ```js
 * convertUnitToPx('55pt')
 * convertUnitToPx('55cm')
 * ```
 */
export declare function convertUnitToPx(unit: string | number): number;
export declare function realPixelIndent(element: IJElement): number;
export declare function calcStartBySymbol(symbol: string): Nullable<string>;