$(OptionalToolSource) $(OptionalToolSourceUser) $(OptionalToolSourcePassword) $(ToolsDir)optional-tool-runtime\ $(OptionalToolingDir)optional.json $(OptionalToolingDir)project.json $(OptionalToolingDir)project.lock.json $(ObjDir)generatedNuGetConfig/ $(GeneratedNuGetConfigDir)optional.NuGet.Config "$(DnuToolPath)" $(OptionalRestoreCommand) restore $(OptionalRestoreCommand) --no-cache $(OptionalRestoreCommand) --packages "$(PackagesDir.TrimEnd('/\'.ToCharArray()))" $(OptionalRestoreCommand) --configfile $(OptionalRestoreConfigPath)