/**
 * Secure HTTP/HTTPS Agent implementation
 * Prevents DNS rebinding and SSRF attacks by validating IP addresses at connection time
 */
import http from 'http';
import https from 'https';
/**
 * Create secure HTTP agent with private IP blocking
 */
export declare function createSecureHttpAgent(): http.Agent;
/**
 * Create secure HTTPS agent with private IP blocking
 */
export declare function createSecureHttpsAgent(): https.Agent;
export declare function getSecureHttpAgent(): http.Agent;
export declare function getSecureHttpsAgent(): https.Agent;
/**
 * Get appropriate secure agent based on protocol
 */
export declare function getSecureAgentForUrl(url: string): http.Agent | https.Agent;