import { DetectionStrictness } from './types';
export { DetectionStrictness } from './types';
/**
 * Fuzzy matching options
 */
export interface FuzzyMatchOptions {
    strictness: DetectionStrictness;
    maxEditDistance: number;
    detectSymbolReplacement: boolean;
    detectSpaceInsertion: boolean;
    detectRepeatedLetters: boolean;
    detectLanguageMixing: boolean;
}
/**
 * Fuzzy match result
 */
export interface FuzzyMatchResult {
    matched: boolean;
    confidence: number;
    normalizedText: string;
    evasionTechniques: string[];
}
/**
 * Fuzzy matcher for detecting evasion attempts
 */
export declare class FuzzyMatcher {
    private options;
    constructor(options?: Partial<FuzzyMatchOptions>);
    /**
     * Check if text matches word using fuzzy matching
     */
    fuzzyMatch(text: string, word: string): FuzzyMatchResult;
    /**
     * Calculate Levenshtein distance between two strings
     */
    private levenshteinDistance;
    /**
     * Check if text contains word with fuzzy matching
     */
    containsWord(text: string, word: string): FuzzyMatchResult;
    /**
     * Find all fuzzy matches in text
     */
    findAllMatches(text: string, words: string[]): Array<{
        word: string;
        position: number;
        length: number;
        confidence: number;
        evasionTechniques: string[];
    }>;
    /**
     * Update options
     */
    setOptions(options: Partial<FuzzyMatchOptions>): void;
    /**
     * Get current options
     */
    getOptions(): FuzzyMatchOptions;
}
//# sourceMappingURL=fuzzy-matcher.d.ts.map