https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Dialogflow.Cx.V3/latest/Google.Cloud.Dialogflow.Cx.V3.Versions.VersionsBase
Dialogflow v3 API - Class Versions.VersionsBase (3.1.0) | .NET client libraries | Google Cloud...
https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.AppEngine.V1/latest/Google.Cloud.AppEngine.V1.Versions.VersionsBase
App Engine v1 API - Class Versions.VersionsBase (2.5.0) | .NET client libraries | Google Cloud...