private function addMissing($locale, $transKey)
    {
        if ( ! $this->hasMissing($locale, $transKey)) {
            $this->missing[$locale][] = $transKey;
        }
    }
private function addMissing($locale, $transKey)
    {
        if ( ! $this->hasMissing($locale, $transKey)) {
            $this->missing[$locale][] = $transKey;
        }
    }
private function addMissing ( $ locale , $ transKey ) { if ( ! $ this -> hasMissing ( $ locale , $ transKey ) ) { $ this -> missing [ $ locale ] [ ] = $ transKey ; } }
Adding missing translation to collection.

@param  string  $locale
@param  string  $transKey
Adding missing translation to collection .