generateText method
Generates a response from the model given an input message.
Throws a http.ClientException if there were problems communicating with
the API service. Throws a ServiceException if the API method failed for
any reason.
Implementation
Future<GenerateTextResponse> generateText(GenerateTextRequest request) async {
final url = Uri.https(_host, '/v1beta/${request.model}:generateText');
final response = await _client.post(url, body: request);
return GenerateTextResponse.fromJson(response);
}