/**
 * Security and Technical Term Synonyms for Improved Recall
 *
 * This module provides comprehensive synonym mappings to improve
 * paraphrase detection in drift detection. Synonyms are bidirectional
 * and include abbreviations, alternative phrasings, and related terms.
 */
/**
 * Security vulnerability synonyms.
 * Each entry maps a canonical term to all equivalent expressions.
 */
export declare const SECURITY_SYNONYMS: Record<string, string[]>;
/**
 * Limitation/constraint synonyms.
 */
export declare const LIMITATION_SYNONYMS: Record<string, string[]>;
/**
 * Behavioral assertion synonyms.
 */
export declare const BEHAVIOR_SYNONYMS: Record<string, string[]>;
/**
 * Build a reverse lookup map from any synonym to its canonical term.
 */
export declare function buildSynonymLookup(synonymMap: Record<string, string[]>): Map<string, string>;
/**
 * Expand a text by adding canonical terms for any synonyms found.
 * This improves keyword overlap for paraphrases.
 */
export declare function expandWithSynonyms(text: string, type?: 'security' | 'limitation' | 'behavior'): string;
/**
 * Check if two texts share a canonical security term.
 * Returns the matching term(s) or empty array if no match.
 *
 * NOTE: Generic terms like "vulnerability" are excluded since they would
 * cause false matches between completely different vulnerability types.
 */
export declare function findSharedSecurityTerms(text1: string, text2: string): string[];
/**
 * Calculate semantic similarity boost from synonyms.
 * Returns 0-100 indicating how much two texts share canonical terms.
 */
export declare function calculateSynonymSimilarity(text1: string, text2: string, type?: 'security' | 'limitation' | 'behavior'): number;
/**
 * Time unit normalization for comparing timeouts.
 * Converts all time expressions to milliseconds.
 */
export declare function normalizeTimeToMs(text: string): number | null;
/**
 * Check if two time expressions are equivalent.
 */
export declare function timeExpressionsEqual(text1: string, text2: string): boolean;
/**
 * Abbreviation expansions for common security terms.
 */
export declare const ABBREVIATIONS: Record<string, string>;
/**
 * Expand abbreviations in text.
 */
export declare function expandAbbreviations(text: string): string;
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