string, * 'hostname' => string, * ] */ public function getNetworkInfo(): array; /** * Get info about available network interfaces. * * @return NetInterface[] */ public function getNetworkInterfaces(): array; /** * Get system time and timezone. * Empty string in case of errors */ public function getTime(): string; /** * Get the total number of seconds the system has been up or -1 on failure. */ public function getUptime(): int; /** * Get info about available thermal zones. * * @return ThermalZone[] */ public function getThermalZones(): array; }