$errors */ public function withErrors(array $errors): self { $new = new self($this->getMessage(), $this->getCode(), $this->getPrevious()); $new->errors = $errors; $new->retryAfter = $this->retryAfter; return $new; } public function withRetryAfter(DateTimeImmutable $retryAfter): self { $new = new self($this->getMessage(), $this->getCode(), $this->getPrevious()); $new->errors = $this->errors; $new->retryAfter = $retryAfter; return $new; } public function retryAfter(): ?DateTimeImmutable { return $this->retryAfter; } }