PromptBuilder::usingModelConfig( WordPress\AiClient\Providers\Models\DTO\ModelConfig $config ): self

301    public function usingModelConfig(ModelConfig $config): self302    {303        // Convert both configs to arrays304        $builderConfigArray = $this->modelConfig->toArray();305        $providedConfigArray = $config->toArray();306        // Merge arrays with builder config taking precedence307        $mergedArray = array_merge($providedConfigArray, $builderConfigArray);308        // Create new config from merged array309        $this->modelConfig = ModelConfig::fromArray($mergedArray);310        return $this;311    }