/**
 * Calculates the Levenshtein distance between two strings
 * Returns the minimum number of single-character edits (insertions, deletions, or substitutions)
 * @param string1 - First string to compare
 * @param string2 - Second string to compare
 * @returns The Levenshtein distance
 */
export declare const levenshteinDistance: (string1: string, string2: string) => number;