private function getOptionsResolver()
    {
        if (!$this->optionsResolver) {
            $this->optionsResolver = new OptionsResolver();
            $this->configureResolver($this->optionsResolver);
        }

        return $this->optionsResolver;
    }
private function getOptionsResolver()
    {
        if (!$this->optionsResolver) {
            $this->optionsResolver = new OptionsResolver();
            $this->configureResolver($this->optionsResolver);
        }

        return $this->optionsResolver;
    }
private function getOptionsResolver ( ) { if ( ! $ this -> optionsResolver ) { $ this -> optionsResolver = new OptionsResolver ( ) ; $ this -> configureResolver ( $ this -> optionsResolver ) ; } return $ this -> optionsResolver ; }
Returns configured options resolver instance.

@return OptionsResolver
Returns configured options resolver instance .