43     private $scheme = '';  variable in GuzzleHttp\\Psr7\\Uri
124             $this->scheme,
148      * @param string $scheme
158     public static function composeComponents($scheme, $authority, $path, $query, $fragment)  argument
163         if ($scheme != '') {
164             $uri .= $scheme . ':';
167         if ($authority != ''|| $scheme === 'file') {
425         return $this->scheme;
472     public function withScheme($scheme)  argument
474         $scheme = $this->filterScheme($scheme);
476         if ($this->scheme === $scheme) {
481         $new->scheme = $scheme;
587         $this->scheme = isset($parts['scheme'])
616      * @param string $scheme
622     private function filterScheme($scheme)  argument
624         if (!is_string($scheme)) {
628         return \strtr($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz');
789         if ($this->host === '' && ($this->scheme === 'http' || $this->scheme === 'https')) {
797             if ($this->scheme === '' && false !== strpos(explode('/', $this->path, 2)[0], ':')) {