66     private $port;  variable in GuzzleHttp\\Psr7\\Uri
381         if ($this->port !== null) {
382             $authority .= ':'.$this->port;
400         return $this->port;
470     public function withPort($port): UriInterface  argument
472         $port = $this->filterPort($port);
474         if ($this->port === $port) {
479         $new->port = $port;
554         $this->port = isset($parts['port'])
620      * @param mixed $port
624     private function filterPort($port): ?int  argument
626         if ($port === null) {
630         $port = (int) $port;
631         if (0 > $port || 0xFFFF < $port) {
633                 sprintf('Invalid port: %d. Must be between 0 and 65535', $port)
637         return $port;
678         if ($this->port !== null && self::isDefaultPort($this)) {
679             $this->port = null;