/**
 * Normalizes a MAC address by removing separators and converting to lowercase.
 * Accepts formats: AA:BB:CC:DD:EE:FF, AA-BB-CC-DD-EE-FF, AABBCCDDEEFF
 *
 * @param mac - MAC address in any common format
 * @returns Normalized MAC address (12 lowercase hex chars, no separators)
 * @throws Error if MAC address format is invalid
 *
 * @example
 * normalizeMac("AA:BB:CC:DD:EE:FF") // returns "aabbccddeeff"
 * normalizeMac("AA-BB-CC-DD-EE-FF") // returns "aabbccddeeff"
 * normalizeMac("AABBCCDDEEFF")      // returns "aabbccddeeff"
 */
declare const normalizeMac: (mac: string) => string;
export { normalizeMac };