$(TargetFramework) enable 12.0 $(BotSharpVersion) $(GeneratePackageOnBuild) $(GenerateDocumentationFile) $(SolutionDir)packages PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest PreserveNewest