/**
 * Pattern Aggregator - Main orchestration for pattern management
 *
 * Coordinates all aspects of pattern aggregation:
 * - Extraction from session meta-analyses
 * - Deduplication via semantic hashing
 * - Clustering
 * - Decay scoring
 * - Eviction
 * - Markdown generation
 */
import type { AggregationStats } from '../types/pattern.js';
export declare class PatternAggregator {
    /**
     * Main aggregation entry point
     */
    aggregate(sessionMetaPath: string): Promise<AggregationStats>;
    /**
     * Extract patterns from a session meta-analysis file
     */
    private extractPatternsFromSession;
    /**
     * Process a single pattern (deduplicate and add/merge)
     */
    private processPattern;
    /**
     * Recompute all decay scores across all phases
     */
    private recomputeAllScores;
    /**
     * Generate human-readable PATTERNS.md
     */
    private generateMarkdownSummary;
    /**
     * Clean up old session files (keep only max N)
     */
    private cleanupOldSessions;
    /**
     * Print summary statistics
     */
    private printSummary;
    /**
     * Infer phase from pattern content
     */
    private inferPhase;
    /**
     * Extract session ID from file path
     */
    private extractSessionId;
}
/**
 * Export singleton instance
 */
export declare const patternAggregator: PatternAggregator;
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