public function isEmpty(): bool
    {
        return \in_array(
            $this->statusCode,
            [
                StatusCode::NO_CONTENT,
                StatusCode::NOT_MODIFIED,
            ],
            true
        );
    }
public function isEmpty(): bool
    {
        return \in_array(
            $this->statusCode,
            [
                StatusCode::NO_CONTENT,
                StatusCode::NOT_MODIFIED,
            ],
            true
        );
    }
public function isEmpty ( ) : bool { return \ in_array ( $ this -> statusCode , [ StatusCode :: NO_CONTENT , StatusCode :: NOT_MODIFIED , ] , true ) ; }
Is the response empty?

@return bool
Is the response empty?