startBackfillJob method
      
Future<StartBackfillJobResponse> 
startBackfillJob(
    
- StartBackfillJobRequest request,
- String object, {
- String? $fields,
Use this method to start a backfill job for the specified stream object.
request - The metadata request object.
Request parameters:
object - Required. The name of the stream object resource to start a
backfill job for.
Value must have pattern
^projects/\[^/\]+/locations/\[^/\]+/streams/\[^/\]+/objects/\[^/\]+$.
$fields - Selector specifying which fields to include in a partial
response.
Completes with a StartBackfillJobResponse.
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<StartBackfillJobResponse> startBackfillJob(
  StartBackfillJobRequest request,
  core.String object, {
  core.String? $fields,
}) async {
  final body_ = convert.json.encode(request);
  final queryParams_ = <core.String, core.List<core.String>>{
    if ($fields != null) 'fields': [$fields],
  };
  final url_ = 'v1/' + core.Uri.encodeFull('$object') + ':startBackfillJob';
  final response_ = await _requester.request(
    url_,
    'POST',
    body: body_,
    queryParams: queryParams_,
  );
  return StartBackfillJobResponse.fromJson(
    response_ as core.Map<core.String, core.dynamic>,
  );
}