/**
 * Calculates the network address from an IP address and subnet mask
 * @param {string} ip - IPv4 address (e.g., "192.168.1.1")
 * @param {string} subnetMask - Subnet mask (e.g., "255.255.255.0")
 * @returns {number} Network address as a 32-bit unsigned integer
 */
export declare const getNetworkAddress: (ip: string, subnetMask: string) => number;