/**
 * Removes diacritical marks (accents) from a string using Unicode normalization.
 * Useful for text search and comparison.
 *
 * @param text The input string
 * @returns The normalized string without diacritical marks
 *
 * @example
 * replaceSpecialChars('canción') // returns 'cancion'
 */
export declare const replaceSpecialChars: (text: string) => string;