/**
 * Evaluates message relevance based on context
 */
export declare class RelevanceEvaluator {
    /**
     * Evaluate relevance of a message in given context
     */
    evaluateRelevance(message: string, context: string): number;
    /**
     * Compute similarity between two sets of keywords
     */
    private computeSimilarity;
    /**
     * Extract keywords from text
     */
    private extractKeywords;
}