/**
 * Memory Service
 *
 * Manages long-term knowledge storage and retrieval for experiences,
 * patterns, decisions, solutions, and lessons learned.
 */
import type { Experience, MemorySearchResult } from "../types/memory.js";
export declare class MemoryService {
    private projectRoot;
    private indexPath;
    private experiencesPath;
    private cachedIndex;
    private workflowService;
    constructor(projectRoot: string);
    /**
     * Initialize memory directory structure
     */
    initialize(): Promise<void>;
    /**
     * Create empty index structure
     */
    createEmptyIndex(): Promise<void>;
    /**
     * Record a new experience to memory
     */
    recordExperience(exp: Partial<Experience>): Promise<string>;
    /**
     * Format experience as markdown file with frontmatter
     */
    private formatExperienceFile;
    /**
     * Update memory index with new experience
     */
    updateIndex(experience: Experience): Promise<void>;
    /**
     * Load memory index (with caching)
     */
    private loadIndex;
    /**
     * Search experiences by query with relevance scoring
     */
    searchExperiences(query: string, limit?: number): Promise<MemorySearchResult>;
    /**
     * Parse experience file with frontmatter
     */
    private parseExperienceFile;
    /**
     * Enhance context by retrieving relevant experiences
     */
    enhanceContext(currentTask: string): Promise<string>;
    /**
     * Extract learnings from workflow execution
     */
    extractLearnings(workflowId: string): Promise<void>;
    /**
     * Analyze a phase for extractable learnings
     */
    private analyzePhaseForLearnings;
    /**
     * Extract patterns from phase content
     */
    private extractPatterns;
    /**
     * Extract key decisions from phase content
     */
    private extractKeyDecisions;
    /**
     * Extract solutions from phase content
     */
    private extractSolutions;
    /**
     * Detect lessons learned from workflow phases
     */
    private detectLessonsLearned;
    /**
     * Extract relevant tags from text
     */
    private extractTagsFromText;
}
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