list method
Returns a list of all transit classes for a given issuer ID.
Request parameters:
issuerId - The ID of the issuer authorized to list classes.
maxResults - Identifies the max number of results returned by a list.
All results are returned if maxResults isn't defined.
token - Used to get the next set of results if maxResults is
specified, but more than maxResults classes are available in a list. For
example, if you have a list of 200 classes and you call list with
maxResults set to 20, list will return the first 20 classes and a token.
Call list again with maxResults set to 20 and the token to get the next
20 classes.
$fields - Selector specifying which fields to include in a partial
response.
Completes with a TransitClassListResponse.
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<TransitClassListResponse> list({
  core.String? issuerId,
  core.int? maxResults,
  core.String? token,
  core.String? $fields,
}) async {
  final queryParams_ = <core.String, core.List<core.String>>{
    if (issuerId != null) 'issuerId': [issuerId],
    if (maxResults != null) 'maxResults': ['${maxResults}'],
    if (token != null) 'token': [token],
    if ($fields != null) 'fields': [$fields],
  };
  const url_ = 'walletobjects/v1/transitClass';
  final response_ = await _requester.request(
    url_,
    'GET',
    queryParams: queryParams_,
  );
  return TransitClassListResponse.fromJson(
      response_ as core.Map<core.String, core.dynamic>);
}