import type { Context } from '../context.js';
type Middleware = (ctx: Context, next: () => Promise<unknown>) => unknown;
interface SecurityConfig {
    aiDetection?: {
        enabled: boolean;
        sensitivity: number;
        learningPeriod: number;
    };
    behavioralAnalysis?: {
        enabled: boolean;
        trackPatterns: boolean;
        anomalyThreshold: number;
    };
    threatIntelligence?: {
        enabled: boolean;
        blockKnownMalicious: boolean;
        ipBlacklist: string[];
    };
    advancedRateLimit?: {
        enabled: boolean;
        windowMs: number;
        maxRequests: number;
        aiAdaptive: boolean;
    };
    autoBlocking?: {
        enabled: boolean;
        maxViolations: number;
        blockDuration: number;
    };
}
interface RequestPattern {
    ip: string;
    userAgent: string;
    endpoint: string;
    method: string;
    timestamp: number;
    responseTime: number;
    statusCode: number;
    suspicious: boolean;
}
/**
 * Advanced security middleware with AI-powered threat detection
 *
 * Features:
 * - AI-powered anomaly detection
 * - Behavioral analysis
 * - Threat intelligence
 * - Adaptive rate limiting
 * - Auto-blocking of malicious IPs
 */
export declare function advancedSecurity(config: SecurityConfig): Middleware;
/**
 * Security management utilities
 */
export declare const securityUtils: {
    getAnomalyStats: () => {
        totalPatterns: number;
        anomaliesDetected: number;
    };
    getRateLimitStats: (ip: string) => {
        requests: number;
        violations: number;
        blocked: boolean;
    };
    addToBlacklist: (ip: string) => void;
    isBlacklisted: (ip: string) => boolean;
    analyzeContent: (content: string) => {
        malicious: boolean;
        patterns: string[];
    };
    getBehavioralProfile: (ip: string) => {
        requests: RequestPattern[];
        normalBehavior: {
            avgResponseTime: number;
            commonEndpoints: string[];
            requestFrequency: number;
        };
    } | undefined;
};
export {};
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