import * as plugins from '../../plugins.js';
/**
 * WrappedSocket wraps a regular net.Socket to provide transparent access
 * to the real client IP and port when behind a proxy using PROXY protocol.
 *
 * This is the FOUNDATION for all PROXY protocol support and must be implemented
 * before any protocol parsing can occur.
 *
 * This implementation uses a Proxy to delegate all properties and methods
 * to the underlying socket while allowing override of specific properties.
 */
export declare class WrappedSocket {
    readonly socket: plugins.net.Socket;
    private realClientIP?;
    private realClientPort?;
    [key: string]: any;
    constructor(socket: plugins.net.Socket, realClientIP?: string, realClientPort?: number);
    /**
     * Returns the real client IP if available, otherwise the socket's remote address
     */
    get remoteAddress(): string | undefined;
    /**
     * Returns the real client port if available, otherwise the socket's remote port
     */
    get remotePort(): number | undefined;
    /**
     * Indicates if this connection came through a trusted proxy
     */
    get isFromTrustedProxy(): boolean;
    /**
     * Returns the address family of the remote IP
     */
    get remoteFamily(): string | undefined;
    /**
     * Updates the real client information (called after parsing PROXY protocol)
     */
    setProxyInfo(ip: string, port: number): void;
}