protected function getFilesystem()
    {
        if (isset($this->filesystem)) {
            return $this->filesystem;
        }

        $this->filesystem = static::$filesystems[$this->getProtocol()];

        return $this->filesystem;
    }
protected function getFilesystem()
    {
        if (isset($this->filesystem)) {
            return $this->filesystem;
        }

        $this->filesystem = static::$filesystems[$this->getProtocol()];

        return $this->filesystem;
    }
protected function getFilesystem ( ) { if ( isset ( $ this -> filesystem ) ) { return $ this -> filesystem ; } $ this -> filesystem = static :: $ filesystems [ $ this -> getProtocol ( ) ] ; return $ this -> filesystem ; }
Returns the filesystem.

@return \League\Flysystem\FilesystemInterface The filesystem object.
Returns the filesystem .