id; } public function getQuestion(): ?string { return $this->question; } public function setQuestion(string $question): static { $this->question = $question; return $this; } public function getAnswer(): ?string { return $this->answer; } public function setAnswer(string $answer): static { $this->answer = $answer; return $this; } public function getSorting(): int { return $this->sorting; } public function setSorting(int $sorting): static { $this->sorting = $sorting; return $this; } }