public CreateAccountOperation Build()
 {
     var operation = new CreateAccountOperation(destination, startingBalance);
     if (_SourceAccount != null)
         operation.SourceAccount = _SourceAccount;
     return operation;
 }
            public CreateAccountOperation Build()
            {
                CreateAccountOperation operation = new CreateAccountOperation(destination, startingBalance);

                if (_SourceAccount != null)
                {
                    operation.SourceAccount = _SourceAccount;
                }

                return(operation);
            }