public static function newBlock(string $name, int $permissions = null): vfsStreamBlock
    {
        return new vfsStreamBlock($name, $permissions);
    }
public static function newBlock(string $name, int $permissions = null): vfsStreamBlock
    {
        return new vfsStreamBlock($name, $permissions);
    }
public static function newBlock ( string $ name , int $ permissions = null ) : vfsStreamBlock { return new vfsStreamBlock ( $ name , $ permissions ) ; }
returns a new block with the given name

@param   string    $name           name of the block device
@param   int|null  $permissions    permissions of block to create
@return vfsStreamBlock
returns a new block with the given name