/**
 * Fuzzy matching utility for typo tolerance
 * Uses Levenshtein distance algorithm to find similar strings
 * Adapted from Photon's implementation
 */
export interface FuzzyMatch {
    text: string;
    distance: number;
}
/**
 * Fuzzy matcher for finding similar strings
 * Useful for: "Did you mean?" suggestions, typo correction, command aliases
 */
export declare class FuzzyMatcher {
    /**
     * Find similar matches for a query string
     * Returns matches sorted by similarity (lowest distance first)
     */
    findSuggestions(query: string, candidates: string[], maxDistance?: number): string[];
    /**
     * Get the best single match for a query
     */
    findBestMatch(query: string, candidates: string[]): string | undefined;
    /**
     * Check if two strings are similar enough (for aliasing)
     */
    isSimilar(str1: string, str2: string, threshold?: number): boolean;
    /**
     * Calculate Levenshtein distance (edit distance) between two strings
     * Measures minimum edits (insert, delete, substitute) needed to transform one string into another
     */
    private levenshteinDistance;
    /**
     * Get similarity score (0-1) between two strings
     * 1.0 = identical, 0.0 = completely different
     */
    similarityScore(str1: string, str2: string): number;
}
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