src/Utils/Options/Options.php
private function getResolver(): OptionsResolver
    {
        if (!is_null($this->resolver)) {
            return $this->resolver;
        }

        $this->resolver = $this->buildResolver();

        return $this->resolver;
    }
private function getResolver(): OptionsResolver
    {
        if (!is_null($this->resolver)) {
            return $this->resolver;
        }

        $this->resolver = $this->buildResolver();

        return $this->resolver;
    }
private function getResolver ( ) : OptionsResolver { if ( ! is_null ( $ this -> resolver ) ) { return $ this -> resolver ; } $ this -> resolver = $ this -> buildResolver ( ) ; return $ this -> resolver ; }
Devuelve el optionsResolver
si no existe, lo crea y configura

@return \Symfony\Component\OptionsResolver\OptionsResolver
Devuelve el optionsResolver si no existe lo crea y configura