52     private $port;  variable in GuzzleHttp\\Psr7\\Uri
435         if ($this->port !== null) {
436             $authority .= ':' . $this->port;
454         return $this->port;
521     public function withPort($port)  argument
523         $port = $this->filterPort($port);
525         if ($this->port === $port) {
530         $new->port = $port;
596         $this->port = isset($parts['port'])
668      * @param int|null $port
674     private function filterPort($port)  argument
676         if ($port === null) {
680         $port = (int) $port;
681         if (0 > $port || 0xffff < $port) {
683                 sprintf('Invalid port: %d. Must be between 0 and 65535', $port)
687         return $port;
733         if ($this->port !== null && self::isDefaultPort($this)) {
734             $this->port = null;