FileResponse

fileResponse := components.CreateFileResponseAnthropic(components.AnthropicFile{/* values here */})

fileResponse := components.CreateFileResponseOpenai(components.OpenAIFile{/* values here */})

fileResponse := components.CreateFileResponseOpenrouter(components.OpenRouterFile{/* values here */})

switch fileResponse.Type {
	case components.FileResponseTypeAnthropic:
		// fileResponse.AnthropicFile is populated
	case components.FileResponseTypeOpenai:
		// fileResponse.OpenAIFile is populated
	case components.FileResponseTypeOpenrouter:
		// fileResponse.OpenRouterFile is populated
	default:
		// Unknown type - use fileResponse.GetUnknownRaw() for raw JSON
}