export declare class TunTapError extends Error {
    code?: string | undefined;
    constructor(message: string, code?: string | undefined);
}
export declare class TunTapPermissionError extends TunTapError {
    constructor(message: string);
}
export declare class TunTapDeviceError extends TunTapError {
    constructor(message: string);
}
/**
 * TUN/TAP device for IP tunneling
 */
export declare class TunTap {
    private device;
    private isOpen;
    private isClosed;
    private cleanupHandlers;
    constructor(name?: string);
    open(): boolean;
    close(): boolean;
    read(maxSize?: number): Buffer;
    write(data: Buffer): number;
    get name(): string;
    get fd(): number;
    configure(address: string, mtu?: number): Promise<void>;
    addRoute(destination: string): Promise<void>;
    removeRoute(destination: string): Promise<void>;
    /**
     * Get interface statistics
     */
    getStats(): Promise<{
        rxBytes: number;
        txBytes: number;
        rxPackets: number;
        txPackets: number;
        rxErrors: number;
        txErrors: number;
    }>;
}