accessReadToken method
      
Future<FetchReadTokenResponse> 
accessReadToken(
    
- FetchReadTokenRequest request,
- String repository, {
- String? $fields,
Fetches read token of a given repository.
request - The metadata request object.
Request parameters:
repository - Required. The resource name of the repository in the format
projects / * /locations / * /connections / * /repositories / * .
Value must have pattern
^projects/\[^/\]+/locations/\[^/\]+/connections/\[^/\]+/repositories/\[^/\]+$.
$fields - Selector specifying which fields to include in a partial
response.
Completes with a FetchReadTokenResponse.
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<FetchReadTokenResponse> accessReadToken(
  FetchReadTokenRequest request,
  core.String repository, {
  core.String? $fields,
}) async {
  final body_ = convert.json.encode(request);
  final queryParams_ = <core.String, core.List<core.String>>{
    if ($fields != null) 'fields': [$fields],
  };
  final url_ =
      'v2/' + core.Uri.encodeFull('$repository') + ':accessReadToken';
  final response_ = await _requester.request(
    url_,
    'POST',
    body: body_,
    queryParams: queryParams_,
  );
  return FetchReadTokenResponse.fromJson(
      response_ as core.Map<core.String, core.dynamic>);
}