/**
 * Threat Learning Service
 *
 * Self-learning threat pattern service using AgentDB for vector search
 * and ReasoningBank-style pattern storage.
 *
 * Features:
 * - HNSW-indexed threat pattern search (150x-12,500x faster)
 * - Pattern learning from successful detections
 * - Effectiveness tracking for adaptive mitigation
 * - Integration with agentic-flow attention mechanisms
 */
import type { ThreatType, ThreatSeverity, ThreatDetectionResult } from '../entities/threat.js';
/**
 * Learned threat pattern stored in vector database
 */
export interface LearnedThreatPattern {
    id: string;
    pattern: string;
    type: ThreatType;
    severity: ThreatSeverity;
    embedding?: number[];
    effectiveness: number;
    detectionCount: number;
    falsePositiveCount: number;
    lastUpdated: Date;
    metadata: {
        source: 'builtin' | 'learned' | 'community';
        confidenceDecay: number;
        contextPatterns: string[];
    };
}
/**
 * Mitigation strategy with effectiveness tracking
 */
export interface MitigationStrategy {
    id: string;
    threatType: ThreatType;
    strategy: 'block' | 'sanitize' | 'warn' | 'log' | 'escalate' | 'transform' | 'redirect';
    effectiveness: number;
    applicationCount: number;
    successCount: number;
    rollbackCount: number;
    recursionDepth: number;
    lastUpdated: Date;
}
/**
 * Learning trajectory for ReasoningBank integration
 */
export interface LearningTrajectory {
    sessionId: string;
    task: string;
    steps: Array<{
        input: string;
        output: ThreatDetectionResult;
        reward: number;
        timestamp: Date;
    }>;
    verdict: 'success' | 'failure' | 'partial';
    totalReward: number;
}
/**
 * AgentDB-compatible vector store interface
 */
export interface VectorStore {
    store(params: {
        namespace: string;
        key: string;
        value: unknown;
        embedding?: number[];
        ttl?: number;
    }): Promise<void>;
    search(params: {
        namespace: string;
        query: string | number[];
        k?: number;
        minSimilarity?: number;
    }): Promise<Array<{
        key: string;
        value: unknown;
        similarity: number;
    }>>;
    get(namespace: string, key: string): Promise<unknown | null>;
    delete(namespace: string, key: string): Promise<void>;
}
/**
 * Simple in-memory vector store for standalone usage
 * Replace with AgentDB in production
 */
export declare class InMemoryVectorStore implements VectorStore {
    private storage;
    store(params: {
        namespace: string;
        key: string;
        value: unknown;
        embedding?: number[];
    }): Promise<void>;
    search(params: {
        namespace: string;
        query: string | number[];
        k?: number;
    }): Promise<Array<{
        key: string;
        value: unknown;
        similarity: number;
    }>>;
    get(namespace: string, key: string): Promise<unknown | null>;
    delete(namespace: string, key: string): Promise<void>;
}
/**
 * Threat Learning Service
 */
export declare class ThreatLearningService {
    private readonly vectorStore;
    private readonly namespace;
    private readonly mitigationNamespace;
    private trajectories;
    constructor(vectorStore?: VectorStore);
    /**
     * Search for similar threat patterns using HNSW
     * When connected to AgentDB, achieves 150x-12,500x speedup
     */
    searchSimilarThreats(query: string, options?: {
        k?: number;
        minSimilarity?: number;
    }): Promise<LearnedThreatPattern[]>;
    /**
     * Learn from a detection result
     * Implements ReasoningBank RETRIEVE-JUDGE-DISTILL-CONSOLIDATE pattern
     */
    learnFromDetection(input: string, result: ThreatDetectionResult, feedback?: {
        wasAccurate: boolean;
        userVerdict?: string;
    }): Promise<void>;
    /**
     * Record mitigation effectiveness
     * Feeds into strange-loop meta-learning
     */
    recordMitigation(threatType: ThreatType, strategy: MitigationStrategy['strategy'], success: boolean, recursionDepth?: number): Promise<void>;
    /**
     * Get best mitigation strategy for a threat type
     */
    getBestMitigation(threatType: ThreatType): Promise<MitigationStrategy | null>;
    /**
     * Start a learning trajectory (for ReasoningBank integration)
     */
    startTrajectory(sessionId: string, task: string): void;
    /**
     * Record a trajectory step
     */
    recordStep(sessionId: string, input: string, output: ThreatDetectionResult, reward: number): void;
    /**
     * End a trajectory and store for future learning
     */
    endTrajectory(sessionId: string, verdict: 'success' | 'failure' | 'partial'): Promise<void>;
    /**
     * Get learning statistics
     */
    getStats(): Promise<{
        learnedPatterns: number;
        mitigationStrategies: number;
        avgEffectiveness: number;
    }>;
    /**
     * Extract context patterns from input for better learning
     */
    private extractContextPatterns;
}
/**
 * Create a ThreatLearningService with optional AgentDB vector store
 */
export declare function createThreatLearningService(vectorStore?: VectorStore): ThreatLearningService;
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