/**
 * XML utility functions extracted from HwpxDocument.ts.
 * Pure functions with no external state dependencies.
 */
/**
 * Escape special XML characters in text content.
 */
export declare function escapeXml(text: string): string;
/**
 * Escape special regex characters in a string for use in RegExp constructor.
 */
export declare function escapeRegex(str: string): string;
/**
 * Reset lineseg values to defaults so Hancom Word recalculates line layout.
 * When text content changes, old lineseg values no longer match the new text,
 * causing rendering issues like overlapping text.
 */
export declare function resetLinesegInXml(xml: string): string;
export interface TopLevelElement {
    start: number;
    tagLength: number;
    content: string;
    type: 'p' | 'tbl';
}
/**
 * Find all top-level paragraph and table elements in section XML.
 * Uses depth tracking to skip nested elements inside tables, subLists, etc.
 */
export declare function findTopLevelElements(sectionXml: string): TopLevelElement[];
export interface ElementWithPosition {
    xml: string;
    startIndex: number;
    endIndex: number;
}
/**
 * Find all elements of a given type using depth tracking.
 * Correctly handles nested elements (e.g., nested tables).
 * @param xml The XML string to search in
 * @param elementName The element name without namespace prefix (e.g., 'tr', 'tc')
 */
export declare function findAllElementsWithDepth(xml: string, elementName: string): ElementWithPosition[];