import { ResolvedParagraphProperties } from './style-cascade/index.js';
/**
 * The heading level (1–6) a paragraph's resolved properties describe, or
 * `undefined` when it is body text.
 *
 * @param resolved The paragraph's fully-resolved properties.
 * @returns The heading level 1–6, or `undefined` for body text.
 */
export declare function headingLevelOf(resolved: ResolvedParagraphProperties): number | undefined;
/**
 * The heading level a `"Heading N"` / `"Title"` / `"Subtitle"` style id names,
 * for a heading style that declares no outline level of its own.
 *
 * @param styleId The paragraph's style id, if it has one.
 * @returns The heading level 1–6, or `undefined` when the id names no heading.
 */
export declare function headingLevelFromStyleId(styleId: string | undefined): number | undefined;