/**
 * Memory Store
 *
 * Core CRUD operations for the memory database.
 * Handles storage, retrieval, and management of memories.
 */
import { Memory, MemoryInput, MemoryType, SearchOptions, SearchResult, MemoryConfig } from './types.js';
/**
 * Get truncation info from the last addMemory call
 */
export declare function getLastTruncationInfo(): {
    wasTruncated: boolean;
    originalLength: number;
    truncatedLength: number;
} | null;
/**
 * Convert database row to Memory object
 */
export declare function rowToMemory(row: Record<string, unknown>): Memory;
/**
 * Error thrown when memory creation is paused
 */
export declare class MemoryPausedError extends Error {
    constructor();
}
/**
 * Add a new memory
 */
export declare function addMemory(input: MemoryInput, config?: MemoryConfig): Memory;
/**
 * Get a memory by ID
 */
export declare function getMemoryById(id: number): Memory | null;
/**
 * Update a memory
 */
export declare function updateMemory(id: number, updates: Partial<MemoryInput>): Memory | null;
/**
 * Delete a memory
 */
export declare function deleteMemory(id: number): boolean;
/**
 * Access a memory (updates access count and timestamp, returns reinforced memory)
 */
export declare function accessMemory(id: number, config?: MemoryConfig): Memory | null;
/**
 * Reinforce a memory that appeared in search results
 * Gives a small salience boost with diminishing returns based on access count.
 * ORGANIC FEATURE: Searched memories get reinforced, closing the feedback loop
 * so frequently-found memories grow stronger over time.
 */
export declare function reinforceFromSearch(memoryId: number): void;
/**
 * Enrichment result indicating what happened
 */
export interface EnrichmentResult {
    enriched: boolean;
    reason: string;
}
/**
 * Enrich a memory with additional context
 *
 * This adds timestamped context to a memory when:
 * 1. The new context is sufficiently related but different (new information)
 * 2. The memory hasn't been enriched recently (cooldown)
 * 3. The content won't exceed the size limit
 *
 * ORGANIC FEATURE: Memories grow with new context over time,
 * mimicking how human memories are reconsolidated with new information
 *
 * @param memoryId - ID of the memory to enrich
 * @param newContext - New context to add
 * @param contextType - Type of context ('search' | 'access' | 'related')
 * @returns EnrichmentResult indicating success or failure with reason
 */
export declare function enrichMemory(memoryId: number, newContext: string, contextType?: 'search' | 'access' | 'related'): EnrichmentResult;
/**
 * Clear enrichment cooldown for a memory (for testing)
 */
export declare function clearEnrichmentCooldown(memoryId: number): void;
/**
 * Get enrichment cooldown status for a memory
 */
export declare function getEnrichmentCooldownStatus(memoryId: number): {
    onCooldown: boolean;
    remainingMs: number;
};
/**
 * Update persisted decay scores for all memories
 * Called during consolidation and periodically by the API server
 * Returns the number of memories updated
 */
export declare function updateDecayScores(): number;
export declare function searchMemories(options: SearchOptions, config?: MemoryConfig): Promise<SearchResult[]>;
/**
 * Get all memories for a project
 */
export declare function getProjectMemories(project: string, config?: MemoryConfig): Memory[];
/**
 * Get recent memories
 */
export declare function getRecentMemories(limit?: number, project?: string): Memory[];
/**
 * Get memories by type
 */
export declare function getMemoriesByType(type: MemoryType, limit?: number): Memory[];
/**
 * Get high-priority memories (for context injection)
 */
export declare function getHighPriorityMemories(limit?: number, project?: string): Memory[];
/**
 * Promote a memory from short-term to long-term
 */
export declare function promoteMemory(id: number): Memory | null;
/**
 * Bulk delete decayed memories
 */
export declare function cleanupDecayedMemories(config?: MemoryConfig): number;
/**
 * Get memory statistics
 */
export declare function getMemoryStats(project?: string): {
    total: number;
    shortTerm: number;
    longTerm: number;
    episodic: number;
    byCategory: Record<string, number>;
    averageSalience: number;
};
export type RelationshipType = 'references' | 'extends' | 'contradicts' | 'related';
export interface MemoryLink {
    id: number;
    sourceId: number;
    targetId: number;
    relationship: RelationshipType;
    strength: number;
    createdAt: Date;
}
/**
 * Create a link between two memories
 */
export declare function createMemoryLink(sourceId: number, targetId: number, relationship: RelationshipType, strength?: number): MemoryLink | null;
/**
 * Get all memories related to a given memory
 */
export declare function getRelatedMemories(memoryId: number): {
    memory: Memory;
    relationship: RelationshipType;
    strength: number;
    direction: 'outgoing' | 'incoming';
}[];
/**
 * Delete a memory link
 */
export declare function deleteMemoryLink(sourceId: number, targetId: number): boolean;
/**
 * Get all memory links
 */
export declare function getAllMemoryLinks(): MemoryLink[];
/**
 * Detect potential relationships for a new memory
 * Uses three strategies in priority order:
 * 1. Tag-based linking (shared tags)
 * 2. Embedding-based semantic linking (cosine similarity >= 0.6)
 * 3. FTS content similarity fallback (Jaccard similarity >= 0.3)
 */
export declare function detectRelationships(memory: Memory, maxResults?: number): {
    targetId: number;
    relationship: RelationshipType;
    strength: number;
}[];
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