list method
Lists all processors which belong to this project.
Request parameters:
parent - Required. The parent (project and location) which owns this
collection of Processors. Format:
projects/{project}/locations/{location}
Value must have pattern ^projects/\[^/\]+/locations/\[^/\]+$.
pageSize - The maximum number of processors to return. If unspecified,
at most 50 processors will be returned. The maximum value is 100.
Values above 100 will be coerced to 100.
pageToken - We will return the processors sorted by creation time. The
page token will point to the next processor.
$fields - Selector specifying which fields to include in a partial
response.
Completes with a GoogleCloudDocumentaiV1ListProcessorsResponse.
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<GoogleCloudDocumentaiV1ListProcessorsResponse> 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') + '/processors';
  final response_ = await _requester.request(
    url_,
    'GET',
    queryParams: queryParams_,
  );
  return GoogleCloudDocumentaiV1ListProcessorsResponse.fromJson(
    response_ as core.Map<core.String, core.dynamic>,
  );
}