$config = $this->backends[$name]['config'];
$config['class'] = $class;
$config += [ // set defaults
+ // @FIXME: this does not include the domain for b/c but it ideally should
'wikiId' => wfWikiID(), // e.g. "my_wiki-en_"
'mimeCallback' => [ $this, 'guessMimeInternal' ],
'obResetFunc' => 'wfResetOutputBuffers',