/**
 * Compatibility Mode API
 *
 * Get and set the Word compatibility mode of a document.
 */
import type { DocxDocument } from "../types.js";
/** Word compatibility mode versions. */
export type CompatibilityMode = 11 | 12 | 14 | 15;
/**
 * Get the compatibility mode of a document.
 *
 * The mode is stored in `settings.compatibilityMode` (the canonical scalar
 * field populated by the reader). For backward compatibility we also honour an
 * explicit `compatibilityMode` entry in `settings.compatSettings` if present,
 * since the writer accepts that advanced-override path.
 *
 * Returns 15 (Word 2013+) by default if nothing is stored.
 *
 * @param doc - The document to inspect.
 * @returns The compatibility mode version number.
 */
export declare function getCompatibilityMode(doc: DocxDocument): CompatibilityMode;
/**
 * Set the compatibility mode of a document (mutates settings in place).
 *
 * Writes the canonical `settings.compatibilityMode` scalar field and removes
 * any stale `compatibilityMode` override entry from `settings.compatSettings`
 * so the two sources never disagree.
 *
 * @param doc - The document to modify (mutated in place).
 * @param mode - The target compatibility mode (11=Word 2003, 12=Word 2007, 14=Word 2010, 15=Word 2013+).
 */
export declare function setCompatibilityMode(doc: DocxDocument, mode: CompatibilityMode): void;