MessagePart::__construct( mixed $content, WordPress\AiClient\Messages\Enums\MessagePartChannelEnum|null $channel = null, string|null $thoughtSignature = null )

85    public function __construct($content, ?MessagePartChannelEnum $channel = null, ?string $thoughtSignature = null)86    {87        $this->channel = $channel ?? MessagePartChannelEnum::content();88        $this->thoughtSignature = $thoughtSignature;89        if (is_string($content)) {90            $this->type = MessagePartTypeEnum::text();91            $this->text = $content;92        } elseif ($content instanceof File) {93            $this->type = MessagePartTypeEnum::file();94            $this->file = $content;95        } elseif ($content instanceof FunctionCall) {96            $this->type = MessagePartTypeEnum::functionCall();97            $this->functionCall = $content;98        } elseif ($content instanceof FunctionResponse) {99            $this->type = MessagePartTypeEnum::functionResponse();100            $this->functionResponse = $content;101        } else {102            $type = is_object($content) ? get_class($content) : gettype($content);103            throw new InvalidArgumentException(sprintf('Unsupported content type %s. Expected string, File, ' . 'FunctionCall, or FunctionResponse.', $type));104        }105    }