/**
 * Topic extraction from conversations
 * Phase 2: ML Intelligence Layer
 */
import type { ConversationMessage } from '../core/types/conversation.js';
/**
 * Topic extractor - extracts topics/keywords from conversation
 */
export declare class TopicExtractor {
    /**
     * Extract topics from conversation messages
     */
    extractTopics(messages: ConversationMessage[]): string[];
}
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