On https://learn.microsoft.com/en-us/agent-framework/user-guide/workflows/requests-and-responses?pivots=programming-language-csharp
Following line is not working with 1.0.0-preview.251219.1 version of Microsoft.Agents.AI.Workflows
// Create an input port that receives requests of type CustomRequestType and responses of type CustomResponseType.
var inputPort = InputPort.Create<CustomRequestType, CustomResponseType>("input-port");