createCorpus method
Creates an empty Corpus.
Throws a http.ClientException if there were problems communicating with
the API service. Throws a StatusException if the API failed with a
Status message. Throws a ServiceException for any other failure.
Implementation
Future<Corpus> createCorpus(CreateCorpusRequest request) async {
final url = Uri.https(_host, '/v1beta/corpora');
final response = await _client.post(url, body: request.corpus);
return Corpus.fromJson(response);
}