/**
 * Evasion pattern definitions for detecting common tricks users employ
 * to bypass sensitive word filters
 */
/**
 * Character substitution map - common replacements used in leet speak and evasion
 */
export declare const CHARACTER_SUBSTITUTIONS: {
    [key: string]: string[];
};
/**
 * Arabic letter substitutions - similar looking characters and common evasion tricks
 */
export declare const ARABIC_SUBSTITUTIONS: {
    [key: string]: string[];
};
/**
 * Zero-width and invisible characters that should be removed
 */
export declare const INVISIBLE_CHARACTERS: string[];
/**
 * Arabic Tatweel (kashida) - used to stretch words
 */
export declare const ARABIC_TATWEEL = "\u0640";
/**
 * Reverse map for quick lookup (English)
 */
export declare const REVERSE_SUBSTITUTIONS: {
    [key: string]: string;
};
/**
 * Reverse map for Arabic substitutions
 */
export declare const REVERSE_ARABIC_SUBSTITUTIONS: {
    [key: string]: string;
};
/**
 * Arabic to English character lookalikes
 */
export declare const ARABIC_ENGLISH_LOOKALIKES: {
    [key: string]: string;
};
/**
 * Common symbol patterns used to obfuscate words
 */
export declare const SYMBOL_PATTERNS: {
    pattern: RegExp;
    replacement: string;
}[];
/**
 * Patterns for detecting space insertion
 */
export declare const SPACE_PATTERNS: RegExp[];
/**
 * Maximum repeated character threshold
 */
export declare const MAX_REPEATED_CHARS = 2;
/**
 * Common phonetic variations
 */
export declare const PHONETIC_VARIATIONS: {
    [key: string]: string[];
};
/**
 * Normalize text by applying all evasion pattern removals
 */
export declare function normalizeForEvasion(text: string, options?: {
    removeSymbols?: boolean;
    removeSpaces?: boolean;
    normalizeRepeated?: boolean;
    substituteCharacters?: boolean;
    handleLanguageMixing?: boolean;
    removeInvisible?: boolean;
    removeTatweel?: boolean;
    normalizeArabic?: boolean;
}): string;
/**
 * Aggressive normalization for paranoid mode - removes EVERYTHING suspicious
 */
export declare function normalizeParanoid(text: string): string;
/**
 * Generate all possible evasion variants of a word
 */
export declare function generateEvasionVariants(word: string): string[];
/**
 * Detect which evasion technique was used
 */
export declare function detectEvasionTechnique(original: string, _normalized: string): string[];
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