import type { DuplicateResult, SpecDescriptor } from '../types/index.js';
export type { DuplicateResult, SpecDescriptor };
export declare function extractKeywords(text: string): string[];
export declare function computeJaccardSimilarity(a: string[], b: string[]): number;
export declare function findBestSpec(patternKeywords: string[], specs: SpecDescriptor[]): string | null;
export declare function isDuplicate(patternKeywords: string[], specs: SpecDescriptor[]): DuplicateResult;
export declare function formatCriterion(description: string): string;
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