import type { ContextRequest, ContextResponse, MemoryConfig, MemoryResult, MemoryType } from '../types/index.js';
export interface RememberOptions {
    type?: MemoryType;
    importance?: number;
    emotional_weight?: number;
    tags?: string[];
    context?: Record<string, unknown>;
    ttl?: Date;
}
export interface RecallOptions {
    type?: MemoryType;
    limit?: number;
    threshold?: number;
    include_context?: boolean;
    time_decay?: boolean;
}
export declare class MemoryEngine {
    private config;
    private embedding;
    private vectorStore;
    private isInitialized;
    constructor(config?: Partial<MemoryConfig>);
    initialize(): Promise<void>;
    /**
     * Natural language interface for agents: remember new information
     */
    remember(content: string, tenantId: string, agentId?: string, options?: RememberOptions): Promise<string>;
    /**
     * Natural language interface for agents: recall relevant memories
     */
    recall(query: string, tenantId: string, agentId?: string, options?: RecallOptions): Promise<MemoryResult[]>; /**
     * Natural language interface for agents: forget specific memories
     */
    forget(query: string, tenantId: string, agentId?: string, confirmThreshold?: number): Promise<number>;
    /**
     * Natural language interface for agents: get contextual information
     */
    context(request: ContextRequest): Promise<ContextResponse>;
    /**
     * Health check for the memory system
     */
    healthCheck(): Promise<{
        status: 'healthy' | 'unhealthy';
        components: Record<string, boolean>;
        memory_count?: number;
    }>;
    /**
     * Get system health status
     */ getHealth(): Promise<{
        status: 'healthy' | 'degraded' | 'unhealthy';
        initialized: boolean;
        checks?: Record<string, boolean>;
        components?: Record<string, {
            status: string;
            error?: string;
        } | string>;
        timestamp?: Date;
    }>; /**
     * Close connections and clean up resources
     */
    close(): Promise<void>;
    private ensureInitialized;
    private classifyMemoryType;
    private calculateImportance;
    private applyTimeDecay;
    private generateContextSummary;
    private generateContextText;
    private calculateContextConfidence;
    /**
     * Test tier functionality
     */
    testTier(tier: string): Promise<{
        success: boolean;
        message: string;
    }>;
    /**
     * Get comprehensive statistics
     */
    getStatistics(): Promise<{
        totalMemories: number;
        memoryTypes: Record<string, number>;
        avgConfidence: number;
        recentActivity: number;
        vectorStoreHealth: string;
    }>;
    /**
     * Delete a specific memory by ID
     */
    deleteMemory(memoryId: string): Promise<boolean>;
}
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