interface MACAddress { iface: string; macAddr: string; } export declare function all(throwErrorIfNoneFound?: boolean): MACAddress[]; export declare function first(throwErrorIfNoneFound: false): MACAddress | undefined; export declare function first(throwErrorIfNoneFound?: true): MACAddress; export declare function first(throwErrorIfNoneFound?: undefined): MACAddress; declare const _default: { first: typeof first; all: typeof all; }; export default _default;