public ResponseResult DoSomething() { try { // perform some operation return ResponseResult.Success(); } catch (Exception ex) { return ResponseResult.Failure("An error occurred while doing something.", ex); } }In this example, the DoSomething method attempts to perform some operation. If it succeeds, it returns a new instance of ResponseResult with a success status. If it fails, it catches the exception and returns a new instance of ResponseResult with a fail status and an error message. It's difficult to determine which package library this code example comes from without additional context. ResponseResult is a common class used in various .NET web frameworks and libraries, including ASP.NET Core and NancyFX.