beginTransaction method
Starts a new transaction.
Throws a http.ClientException if there were problems communicating with
the API service. Throws a ServiceException if the API method failed for
any reason.
Implementation
@override
Future<BeginTransactionResponse> beginTransaction(
BeginTransactionRequest request,
) async {
if (isClosed) throw StateError('Service is closed');
if (_beginTransaction case final beginTransaction?) {
return beginTransaction(request);
}
throw UnsupportedError('beginTransaction');
}