patch method
      
Future<GoogleCloudDialogflowCxV3Experiment> 
patch(
    
- GoogleCloudDialogflowCxV3Experiment request,
- String name, {
- String? updateMask,
- String? $fields,
Updates the specified Experiment.
request - The metadata request object.
Request parameters:
name - The name of the experiment. Format:
projects//locations//agents//environments//experiments/.
Value must have pattern
^projects/\[^/\]+/locations/\[^/\]+/agents/\[^/\]+/environments/\[^/\]+/experiments/\[^/\]+$.
updateMask - Required. The mask to control which fields get updated.
$fields - Selector specifying which fields to include in a partial
response.
Completes with a GoogleCloudDialogflowCxV3Experiment.
Completes with a commons.ApiRequestError if the API endpoint returned an error.
If the used http.Client completes with an error when making a REST call,
this method will complete with the same error.
Implementation
async.Future<GoogleCloudDialogflowCxV3Experiment> patch(
  GoogleCloudDialogflowCxV3Experiment request,
  core.String name, {
  core.String? updateMask,
  core.String? $fields,
}) async {
  final body_ = convert.json.encode(request);
  final queryParams_ = <core.String, core.List<core.String>>{
    if (updateMask != null) 'updateMask': [updateMask],
    if ($fields != null) 'fields': [$fields],
  };
  final url_ = 'v3/' + core.Uri.encodeFull('$name');
  final response_ = await _requester.request(
    url_,
    'PATCH',
    body: body_,
    queryParams: queryParams_,
  );
  return GoogleCloudDialogflowCxV3Experiment.fromJson(
      response_ as core.Map<core.String, core.dynamic>);
}