/**
 * DOCX Reader - SDT Helper Parsers
 *
 * Standalone parsers for SDT-related elements that don't depend on
 * the main reader context (parseParagraph etc.):
 * - `parseCheckBox` — w14:checkbox SDT specialization
 * - `parseTocInstruction` — TOC field instruction string parser
 */
import type { XmlElement } from "../../xml/types.js";
import { type Mutable } from "../core/internal-utils.js";
import type { CheckBox, TableOfContents } from "../types.js";
/**
 * Parse a w14:checkbox SDT element.
 *
 * Handles `w14:checked`, `w14:checkedState`, `w14:uncheckedState`.
 */
export declare function parseCheckBox(checkBoxEl: XmlElement): CheckBox;
/**
 * Parse a TOC field instruction string and populate the given TableOfContents object.
 *
 * Recognizes common TOC switches:
 * - `\o "1-3"` — heading style range
 * - `\h` — hyperlinks
 * - `\c "label"` — caption label (table of figures)
 * - `\s "id"` — sequence field identifier
 * - `\p "."`/`"-"`/`"_"` — leader character
 * - `\t "Style,Level;..."` — custom styles with levels
 */
export declare function parseTocInstruction(instr: string, toc: Mutable<TableOfContents>): void;