id; } /** * Set os * * @param string $value * @return TrackCOs */ public function set_os($value) { $this->os = $value; return $this; } /** * Get os * * @return string */ public function get_os() { return $this->os; } /** * Set counter * * @param integer $value * @return TrackCOs */ public function set_counter($value) { $this->counter = $value; return $this; } /** * Get counter * * @return integer */ public function get_counter() { return $this->counter; } }