protected function miscellaneous(): array
    {
        return array_filter([
            'X-Content-Type-Options' => $this->config['x-content-type-options'],
            'X-Download-Options' => $this->config['x-download-options'],
            'X-Frame-Options' => $this->config['x-frame-options'],
            'X-Permitted-Cross-Domain-Policies' => $this->config['x-permitted-cross-domain-policies'],
            'X-XSS-Protection' => $this->config['x-xss-protection'],
            'Referrer-Policy' => $this->config['referrer-policy'],
            'Server' => $this->config['server'] ?? '',
        ]);
    }
protected function miscellaneous(): array
    {
        return array_filter([
            'X-Content-Type-Options' => $this->config['x-content-type-options'],
            'X-Download-Options' => $this->config['x-download-options'],
            'X-Frame-Options' => $this->config['x-frame-options'],
            'X-Permitted-Cross-Domain-Policies' => $this->config['x-permitted-cross-domain-policies'],
            'X-XSS-Protection' => $this->config['x-xss-protection'],
            'Referrer-Policy' => $this->config['referrer-policy'],
            'Server' => $this->config['server'] ?? '',
        ]);
    }
protected function miscellaneous ( ) : array { return array_filter ( [ 'X-Content-Type-Options' => $ this -> config [ 'x-content-type-options' ] , 'X-Download-Options' => $ this -> config [ 'x-download-options' ] , 'X-Frame-Options' => $ this -> config [ 'x-frame-options' ] , 'X-Permitted-Cross-Domain-Policies' => $ this -> config [ 'x-permitted-cross-domain-policies' ] , 'X-XSS-Protection' => $ this -> config [ 'x-xss-protection' ] , 'Referrer-Policy' => $ this -> config [ 'referrer-policy' ] , 'Server' => $ this -> config [ 'server' ] ?? '' , ] ) ; }
Get miscellaneous headers.

@return array
Get miscellaneous headers .