import { BodyElement, ParagraphProperties, RunProperties, StyleSheet } from '../document-model/index.js';
import { ResolvedParagraphProperties, ResolvedRunProperties } from './types.js';
/**
 * Null Object for {@link StyleSheet} — parsers fall back to it when a package has
 * no styles part, and grid-based formats (xlsx) render with it outright.
 */
export declare const EMPTY_STYLE_SHEET: StyleSheet;
/**
 * Resolve a run's effective properties (ECMA-376 §17.7.2): document defaults →
 * paragraph-style run layer → run-style layer → direct run properties.
 * Memoized by the identity of `(sheet, runDirect, paragraphDirect)`.
 *
 * @param runDirect       The run's direct properties (its `styleId` drives the run-style layer).
 * @param paragraphDirect The owning paragraph's direct properties (its `styleId` drives the paragraph-style layer).
 * @param sheet           The stylesheet supplying defaults and style chains.
 */
export declare function resolveRunProperties(runDirect: RunProperties, paragraphDirect: ParagraphProperties, sheet: StyleSheet): ResolvedRunProperties;
/**
 * Resolve a paragraph's effective properties (ECMA-376 §17.7.2): document
 * defaults → paragraph-style chain → direct properties. Memoized by the
 * identity of `(sheet, paragraphDirect)`.
 *
 * @param paragraphDirect The paragraph's direct properties (its `styleId` drives the style chain).
 * @param sheet           The stylesheet supplying defaults and style chains.
 */
export declare function resolveParagraphProperties(paragraphDirect: ParagraphProperties, sheet: StyleSheet): ResolvedParagraphProperties;
/**
 * Resolve the style cascade across an entire body so the tree carries final
 * effective run/paragraph properties (FlowDoc transform, ir-design stage 6).
 * Recurses into tables and shape text. Mutates the tree IN PLACE and returns it;
 * resolving again over {@link EMPTY_STYLE_SHEET} is the identity.
 */
export declare function resolveBodyStyles(body: ReadonlyArray<BodyElement>, sheet: StyleSheet): ReadonlyArray<BodyElement>;
/**
 * Run {@link resolveBodyStyles} over every header/footer body in the map.
 * Mutates each body in place and returns the same map.
 */
export declare function resolveHeadersFootersStyles(hf: ReadonlyMap<string, ReadonlyArray<BodyElement>>, sheet: StyleSheet): ReadonlyMap<string, ReadonlyArray<BodyElement>>;