list method
Lists RagFiles in a RagCorpus.
Request parameters:
parent - Required. The resource name of the RagCorpus from which to list
the RagFiles. Format:
projects/{project}/locations/{location}/ragCorpora/{rag_corpus}
Value must have pattern
^projects/\[^/\]+/locations/\[^/\]+/ragCorpora/\[^/\]+$.
pageSize - Optional. The standard list page size.
pageToken - Optional. The standard list page token. Typically obtained
via ListRagFilesResponse.next_page_token of the previous
VertexRagDataService.ListRagFiles call.
$fields - Selector specifying which fields to include in a partial
response.
Completes with a GoogleCloudAiplatformV1ListRagFilesResponse.
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<GoogleCloudAiplatformV1ListRagFilesResponse> list(
  core.String parent, {
  core.int? pageSize,
  core.String? pageToken,
  core.String? $fields,
}) async {
  final queryParams_ = <core.String, core.List<core.String>>{
    if (pageSize != null) 'pageSize': ['${pageSize}'],
    if (pageToken != null) 'pageToken': [pageToken],
    if ($fields != null) 'fields': [$fields],
  };
  final url_ = 'v1/' + core.Uri.encodeFull('$parent') + '/ragFiles';
  final response_ = await _requester.request(
    url_,
    'GET',
    queryParams: queryParams_,
  );
  return GoogleCloudAiplatformV1ListRagFilesResponse.fromJson(
    response_ as core.Map<core.String, core.dynamic>,
  );
}