config.EnableSwagger(Sub(c)
    c.SingleApiVersion("v1", "ErCard")
    c.GroupActionsBy(Function(apiDescription) apiDescription.RelativePath.Split("/")(0))
    c.DocumentFilter (Of FiltroDocumentacao)()
    c.ResolveConflictingActions(Function(apiDescriptions) apiDescriptions.First())
    c.RootUrl(Function(req) New Uri(req.RequestUri, req.GetRequestContext().VirtualPathRoot).ToString())
End Sub).EnableSwaggerUi()