|null */ private readonly ?array $headers = null, /** @var array|null */ private readonly ?array $metadata = null, /** @var list|null */ private readonly ?array $events = null, ) {} /** * @param array|null $headers * @param array|null $metadata * @param list|null $events */ public static function with( string $url, ?array $headers = null, ?array $metadata = null, ?array $events = null, ): self { return new self($url, $headers, $metadata, $events); } /** @return array */ public function toArray(): array { return array_filter([ 'url' => $this->url, 'headers' => $this->headers, 'metadata' => $this->metadata, 'events' => $this->events, ], fn (mixed $v): bool => $v !== null); } public function getUrl(): string { return $this->url; } /** @return array|null */ public function getHeaders(): ?array { return $this->headers; } /** @return array|null */ public function getMetadata(): ?array { return $this->metadata; } /** @return list|null */ public function getEvents(): ?array { return $this->events; } }