public ResponseResult UpdateUser(User user) { try { // attempt to update the user in the database // and return a success ResponseResult // if the update is successful return new ResponseResult { Success = true, Message = "User updated successfully" }; } catch (Exception ex) { // if an exception is thrown during the update // return a failed ResponseResult with an error message return new ResponseResult { Success = false, Message = "Error updating user", Error = ex.Message }; } }In this example, the UpdateUser method attempts to update a user in a database. If the update is successful, a ResponseResult object with the "Success" property set to "true" and a success message is returned. If an exception is thrown during the update, a ResponseResult object with the "Success" property set to "false" and an error message is returned. The package or library that ResponseResult Failed comes from is not specified as it could be part of any C# application or library.